Home / 6,220,402.78-8,564,620.45-5,288,276.38

Finding the Fourth Proportional to 6,220,402.78, 8,564,620.45 and 5,288,276.38

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Solution

The fourth proportional to 6,220,402.78, 8,564,620.45 and 5,288,276.38 is: 7,281,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220,402.78 : 8,564,620.45 = 5,288,276.38 : x
  2. Step 2: Convert to fraction form
    6,220,402.78/8,564,620.45 = 5,288,276.38/x
  3. Step 3: Cross multiply
    6,220,402.78x = 8,564,620.45 × 5,288,276.38
  4. Step 4: Simplify right side
    6,220,402.78x = 45,292,080,002,958.59
  5. Step 5: Solve for x
    x = 45,292,080,002,958.59/6,220,402.78
  6. Step 6: Final answer
    x = 7,281,213.39

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1.5x scale

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.