Home / 4,119,136.80-6,178,705.20-3,552,266.40

Finding the Fourth Proportional to 4,119,136.80, 6,178,705.20 and 3,552,266.40

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Solution

The fourth proportional to 4,119,136.80, 6,178,705.20 and 3,552,266.40 is: 5,328,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,136.80 : 6,178,705.20 = 3,552,266.40 : x
  2. Step 2: Convert to fraction form
    4,119,136.80/6,178,705.20 = 3,552,266.40/x
  3. Step 3: Cross multiply
    4,119,136.80x = 6,178,705.20 × 3,552,266.40
  4. Step 4: Simplify right side
    4,119,136.80x = 21,948,406,877,465.28
  5. Step 5: Solve for x
    x = 21,948,406,877,465.28/4,119,136.80
  6. Step 6: Final answer
    x = 5,328,399.60

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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.