Home / 5,125,747.20-7,688,037.60-1,339,612.80

Finding the Fourth Proportional to 5,125,747.20, 7,688,037.60 and 1,339,612.80

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Solution

The fourth proportional to 5,125,747.20, 7,688,037.60 and 1,339,612.80 is: 2,009,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125,747.20 : 7,688,037.60 = 1,339,612.80 : x
  2. Step 2: Convert to fraction form
    5,125,747.20/7,688,037.60 = 1,339,612.80/x
  3. Step 3: Cross multiply
    5,125,747.20x = 7,688,037.60 × 1,339,612.80
  4. Step 4: Simplify right side
    5,125,747.20x = 10,298,993,575,841.28
  5. Step 5: Solve for x
    x = 10,298,993,575,841.28/5,125,747.20
  6. Step 6: Final answer
    x = 2,009,266.78

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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.