Home / 5,421,406.60-8,132,109.90-2,985,963.40

Finding the Fourth Proportional to 5,421,406.60, 8,132,109.90 and 2,985,963.40

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Solution

The fourth proportional to 5,421,406.60, 8,132,109.90 and 2,985,963.40 is: 4,478,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,406.60 : 8,132,109.90 = 2,985,963.40 : x
  2. Step 2: Convert to fraction form
    5,421,406.60/8,132,109.90 = 2,985,963.40/x
  3. Step 3: Cross multiply
    5,421,406.60x = 8,132,109.90 × 2,985,963.40
  4. Step 4: Simplify right side
    5,421,406.60x = 24,282,182,526,177.66
  5. Step 5: Solve for x
    x = 24,282,182,526,177.66/5,421,406.60
  6. Step 6: Final answer
    x = 4,478,945.10

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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.