Home / 4,374,136.80-6,561,205.20-4,280,824.80

Finding the Fourth Proportional to 4,374,136.80, 6,561,205.20 and 4,280,824.80

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Solution

The fourth proportional to 4,374,136.80, 6,561,205.20 and 4,280,824.80 is: 6,421,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374,136.80 : 6,561,205.20 = 4,280,824.80 : x
  2. Step 2: Convert to fraction form
    4,374,136.80/6,561,205.20 = 4,280,824.80/x
  3. Step 3: Cross multiply
    4,374,136.80x = 6,561,205.20 × 4,280,824.80
  4. Step 4: Simplify right side
    4,374,136.80x = 28,087,369,938,048.96
  5. Step 5: Solve for x
    x = 28,087,369,938,048.96/4,374,136.80
  6. Step 6: Final answer
    x = 6,421,237.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.