Home / 6,439,900.52-8,887,275.78-3,539,394.20

Finding the Fourth Proportional to 6,439,900.52, 8,887,275.78 and 3,539,394.20

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Solution

The fourth proportional to 6,439,900.52, 8,887,275.78 and 3,539,394.20 is: 4,884,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,900.52 : 8,887,275.78 = 3,539,394.20 : x
  2. Step 2: Convert to fraction form
    6,439,900.52/8,887,275.78 = 3,539,394.20/x
  3. Step 3: Cross multiply
    6,439,900.52x = 8,887,275.78 × 3,539,394.20
  4. Step 4: Simplify right side
    6,439,900.52x = 31,455,572,349,532.48
  5. Step 5: Solve for x
    x = 31,455,572,349,532.48/6,439,900.52
  6. Step 6: Final answer
    x = 4,884,481.10

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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.