Home / 5,639,250.90-7,781,964.85-3,191,809.40

Finding the Fourth Proportional to 5,639,250.90, 7,781,964.85 and 3,191,809.40

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Solution

The fourth proportional to 5,639,250.90, 7,781,964.85 and 3,191,809.40 is: 4,404,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,250.90 : 7,781,964.85 = 3,191,809.40 : x
  2. Step 2: Convert to fraction form
    5,639,250.90/7,781,964.85 = 3,191,809.40/x
  3. Step 3: Cross multiply
    5,639,250.90x = 7,781,964.85 × 3,191,809.40
  4. Step 4: Simplify right side
    5,639,250.90x = 24,838,548,558,699.59
  5. Step 5: Solve for x
    x = 24,838,548,558,699.59/5,639,250.90
  6. Step 6: Final answer
    x = 4,404,582.98

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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.