Home / 1,984,345.01-2,975,803.23-687,146.12

Finding the Fourth Proportional to 1,984,345.01, 2,975,803.23 and 687,146.12

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Solution

The fourth proportional to 1,984,345.01, 2,975,803.23 and 687,146.12 is: 1,030,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,345.01 : 2,975,803.23 = 687,146.12 : x
  2. Step 2: Convert to fraction form
    1,984,345.01/2,975,803.23 = 687,146.12/x
  3. Step 3: Cross multiply
    1,984,345.01x = 2,975,803.23 × 687,146.12
  4. Step 4: Simplify right side
    1,984,345.01x = 2,044,811,642,235.01
  5. Step 5: Solve for x
    x = 2,044,811,642,235.01/1,984,345.01
  6. Step 6: Final answer
    x = 1,030,471.83

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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.