Home / 6,444,780.28-8,891,279.61-3,689,995.45

Finding the Fourth Proportional to 6,444,780.28, 8,891,279.61 and 3,689,995.45

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Solution

The fourth proportional to 6,444,780.28, 8,891,279.61 and 3,689,995.45 is: 5,090,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444,780.28 : 8,891,279.61 = 3,689,995.45 : x
  2. Step 2: Convert to fraction form
    6,444,780.28/8,891,279.61 = 3,689,995.45/x
  3. Step 3: Cross multiply
    6,444,780.28x = 8,891,279.61 × 3,689,995.45
  4. Step 4: Simplify right side
    6,444,780.28x = 32,808,781,305,577.77
  5. Step 5: Solve for x
    x = 32,808,781,305,577.77/6,444,780.28
  6. Step 6: Final answer
    x = 5,090,752.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.