Home / 2,918,753.91-4,374,333.29-1,187,606.30

Finding the Fourth Proportional to 2,918,753.91, 4,374,333.29 and 1,187,606.30

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Solution

The fourth proportional to 2,918,753.91, 4,374,333.29 and 1,187,606.30 is: 1,779,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,753.91 : 4,374,333.29 = 1,187,606.30 : x
  2. Step 2: Convert to fraction form
    2,918,753.91/4,374,333.29 = 1,187,606.30/x
  3. Step 3: Cross multiply
    2,918,753.91x = 4,374,333.29 × 1,187,606.30
  4. Step 4: Simplify right side
    2,918,753.91x = 5,194,985,745,694.03
  5. Step 5: Solve for x
    x = 5,194,985,745,694.03/2,918,753.91
  6. Step 6: Final answer
    x = 1,779,864.25

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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.