Home / 1,618,213.10-2,428,000.05-869,384.30

Finding the Fourth Proportional to 1,618,213.10, 2,428,000.05 and 869,384.30

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Solution

The fourth proportional to 1,618,213.10, 2,428,000.05 and 869,384.30 is: 1,304,441.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,213.10 : 2,428,000.05 = 869,384.30 : x
  2. Step 2: Convert to fraction form
    1,618,213.10/2,428,000.05 = 869,384.30/x
  3. Step 3: Cross multiply
    1,618,213.10x = 2,428,000.05 × 869,384.30
  4. Step 4: Simplify right side
    1,618,213.10x = 2,110,865,123,869.22
  5. Step 5: Solve for x
    x = 2,110,865,123,869.22/1,618,213.10
  6. Step 6: Final answer
    x = 1,304,441.99

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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.