Home / 2,688,082.10-4,032,123.15-2,669,419.70

Finding the Fourth Proportional to 2,688,082.10, 4,032,123.15 and 2,669,419.70

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Solution

The fourth proportional to 2,688,082.10, 4,032,123.15 and 2,669,419.70 is: 4,004,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,082.10 : 4,032,123.15 = 2,669,419.70 : x
  2. Step 2: Convert to fraction form
    2,688,082.10/4,032,123.15 = 2,669,419.70/x
  3. Step 3: Cross multiply
    2,688,082.10x = 4,032,123.15 × 2,669,419.70
  4. Step 4: Simplify right side
    2,688,082.10x = 10,763,428,969,436.05
  5. Step 5: Solve for x
    x = 10,763,428,969,436.05/2,688,082.10
  6. Step 6: Final answer
    x = 4,004,129.55

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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.