Home / 4,272,803.90-6,409,205.85-4,123,504.70

Finding the Fourth Proportional to 4,272,803.90, 6,409,205.85 and 4,123,504.70

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Solution

The fourth proportional to 4,272,803.90, 6,409,205.85 and 4,123,504.70 is: 6,185,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272,803.90 : 6,409,205.85 = 4,123,504.70 : x
  2. Step 2: Convert to fraction form
    4,272,803.90/6,409,205.85 = 4,123,504.70/x
  3. Step 3: Cross multiply
    4,272,803.90x = 6,409,205.85 × 4,123,504.70
  4. Step 4: Simplify right side
    4,272,803.90x = 26,428,390,445,742.50
  5. Step 5: Solve for x
    x = 26,428,390,445,742.50/4,272,803.90
  6. Step 6: Final answer
    x = 6,185,257.05

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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.