Home / 2,947,489.07-4,421,233.61-817,573.19

Finding the Fourth Proportional to 2,947,489.07, 4,421,233.61 and 817,573.19

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Solution

The fourth proportional to 2,947,489.07, 4,421,233.61 and 817,573.19 is: 1,226,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,489.07 : 4,421,233.61 = 817,573.19 : x
  2. Step 2: Convert to fraction form
    2,947,489.07/4,421,233.61 = 817,573.19/x
  3. Step 3: Cross multiply
    2,947,489.07x = 4,421,233.61 × 817,573.19
  4. Step 4: Simplify right side
    2,947,489.07x = 3,614,682,076,294.03
  5. Step 5: Solve for x
    x = 3,614,682,076,294.03/2,947,489.07
  6. Step 6: Final answer
    x = 1,226,359.79

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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.