Home / 5,681,887.18-8,522,830.78-2,086,098.32

Finding the Fourth Proportional to 5,681,887.18, 8,522,830.78 and 2,086,098.32

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Solution

The fourth proportional to 5,681,887.18, 8,522,830.78 and 2,086,098.32 is: 3,129,147.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681,887.18 : 8,522,830.78 = 2,086,098.32 : x
  2. Step 2: Convert to fraction form
    5,681,887.18/8,522,830.78 = 2,086,098.32/x
  3. Step 3: Cross multiply
    5,681,887.18x = 8,522,830.78 × 2,086,098.32
  4. Step 4: Simplify right side
    5,681,887.18x = 17,779,462,987,894.12
  5. Step 5: Solve for x
    x = 17,779,462,987,894.12/5,681,887.18
  6. Step 6: Final answer
    x = 3,129,147.49

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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.