Home / 2,187,002.05-3,280,503.08-1,966,552.45

Finding the Fourth Proportional to 2,187,002.05, 3,280,503.08 and 1,966,552.45

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Solution

The fourth proportional to 2,187,002.05, 3,280,503.08 and 1,966,552.45 is: 2,949,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,002.05 : 3,280,503.08 = 1,966,552.45 : x
  2. Step 2: Convert to fraction form
    2,187,002.05/3,280,503.08 = 1,966,552.45/x
  3. Step 3: Cross multiply
    2,187,002.05x = 3,280,503.08 × 1,966,552.45
  4. Step 4: Simplify right side
    2,187,002.05x = 6,451,281,359,373.78
  5. Step 5: Solve for x
    x = 6,451,281,359,373.78/2,187,002.05
  6. Step 6: Final answer
    x = 2,949,828.68

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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.