Home / 3,130,251.80-4,697,127.30-1,332,829.40

Finding the Fourth Proportional to 3,130,251.80, 4,697,127.30 and 1,332,829.40

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Solution

The fourth proportional to 3,130,251.80, 4,697,127.30 and 1,332,829.40 is: 1,999,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,251.80 : 4,697,127.30 = 1,332,829.40 : x
  2. Step 2: Convert to fraction form
    3,130,251.80/4,697,127.30 = 1,332,829.40/x
  3. Step 3: Cross multiply
    3,130,251.80x = 4,697,127.30 × 1,332,829.40
  4. Step 4: Simplify right side
    3,130,251.80x = 6,260,469,360,982.62
  5. Step 5: Solve for x
    x = 6,260,469,360,982.62/3,130,251.80
  6. Step 6: Final answer
    x = 1,999,989.06

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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.