Home / 5,426,468.16-8,139,875.68-2,729,321.28

Finding the Fourth Proportional to 5,426,468.16, 8,139,875.68 and 2,729,321.28

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Solution

The fourth proportional to 5,426,468.16, 8,139,875.68 and 2,729,321.28 is: 4,094,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,468.16 : 8,139,875.68 = 2,729,321.28 : x
  2. Step 2: Convert to fraction form
    5,426,468.16/8,139,875.68 = 2,729,321.28/x
  3. Step 3: Cross multiply
    5,426,468.16x = 8,139,875.68 × 2,729,321.28
  4. Step 4: Simplify right side
    5,426,468.16x = 22,216,335,909,978.47
  5. Step 5: Solve for x
    x = 22,216,335,909,978.47/5,426,468.16
  6. Step 6: Final answer
    x = 4,094,069.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.