Home / 5,342,863.20-8,019,543.60-2,650,228.80

Finding the Fourth Proportional to 5,342,863.20, 8,019,543.60 and 2,650,228.80

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Solution

The fourth proportional to 5,342,863.20, 8,019,543.60 and 2,650,228.80 is: 3,977,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342,863.20 : 8,019,543.60 = 2,650,228.80 : x
  2. Step 2: Convert to fraction form
    5,342,863.20/8,019,543.60 = 2,650,228.80/x
  3. Step 3: Cross multiply
    5,342,863.20x = 8,019,543.60 × 2,650,228.80
  4. Step 4: Simplify right side
    5,342,863.20x = 21,253,625,411,575.68
  5. Step 5: Solve for x
    x = 21,253,625,411,575.68/5,342,863.20
  6. Step 6: Final answer
    x = 3,977,946.77

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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.