Home / 2,655,712.80-3,984,865.20-1,235,037.60

Finding the Fourth Proportional to 2,655,712.80, 3,984,865.20 and 1,235,037.60

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Solution

The fourth proportional to 2,655,712.80, 3,984,865.20 and 1,235,037.60 is: 1,853,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,712.80 : 3,984,865.20 = 1,235,037.60 : x
  2. Step 2: Convert to fraction form
    2,655,712.80/3,984,865.20 = 1,235,037.60/x
  3. Step 3: Cross multiply
    2,655,712.80x = 3,984,865.20 × 1,235,037.60
  4. Step 4: Simplify right side
    2,655,712.80x = 4,921,458,352,931.52
  5. Step 5: Solve for x
    x = 4,921,458,352,931.52/2,655,712.80
  6. Step 6: Final answer
    x = 1,853,159.10

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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.