Home / 2,947,458.87-4,421,187.93-817,543.02

Finding the Fourth Proportional to 2,947,458.87, 4,421,187.93 and 817,543.02

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Solution

The fourth proportional to 2,947,458.87, 4,421,187.93 and 817,543.02 is: 1,226,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,458.87 : 4,421,187.93 = 817,543.02 : x
  2. Step 2: Convert to fraction form
    2,947,458.87/4,421,187.93 = 817,543.02/x
  3. Step 3: Cross multiply
    2,947,458.87x = 4,421,187.93 × 817,543.02
  4. Step 4: Simplify right side
    2,947,458.87x = 3,614,511,332,279.75
  5. Step 5: Solve for x
    x = 3,614,511,332,279.75/2,947,458.87
  6. Step 6: Final answer
    x = 1,226,314.43

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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.