Home / 3,485,138.30-5,227,966.65-1,240,984.70

Finding the Fourth Proportional to 3,485,138.30, 5,227,966.65 and 1,240,984.70

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Solution

The fourth proportional to 3,485,138.30, 5,227,966.65 and 1,240,984.70 is: 1,861,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,138.30 : 5,227,966.65 = 1,240,984.70 : x
  2. Step 2: Convert to fraction form
    3,485,138.30/5,227,966.65 = 1,240,984.70/x
  3. Step 3: Cross multiply
    3,485,138.30x = 5,227,966.65 × 1,240,984.70
  4. Step 4: Simplify right side
    3,485,138.30x = 6,487,826,624,760.26
  5. Step 5: Solve for x
    x = 6,487,826,624,760.26/3,485,138.30
  6. Step 6: Final answer
    x = 1,861,569.35

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Double scale
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1.5x scale

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.