Home / 6,402,418.22-8,835,620.20-3,687,039.02

Finding the Fourth Proportional to 6,402,418.22, 8,835,620.20 and 3,687,039.02

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Solution

The fourth proportional to 6,402,418.22, 8,835,620.20 and 3,687,039.02 is: 5,088,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402,418.22 : 8,835,620.20 = 3,687,039.02 : x
  2. Step 2: Convert to fraction form
    6,402,418.22/8,835,620.20 = 3,687,039.02/x
  3. Step 3: Cross multiply
    6,402,418.22x = 8,835,620.20 × 3,687,039.02
  4. Step 4: Simplify right side
    6,402,418.22x = 32,577,276,443,300.20
  5. Step 5: Solve for x
    x = 32,577,276,443,300.20/6,402,418.22
  6. Step 6: Final answer
    x = 5,088,276.85

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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.