Home / 3,472,598.90-5,200,603.95-2,128,906.10

Finding the Fourth Proportional to 3,472,598.90, 5,200,603.95 and 2,128,906.10

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Solution

The fourth proportional to 3,472,598.90, 5,200,603.95 and 2,128,906.10 is: 3,188,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472,598.90 : 5,200,603.95 = 2,128,906.10 : x
  2. Step 2: Convert to fraction form
    3,472,598.90/5,200,603.95 = 2,128,906.10/x
  3. Step 3: Cross multiply
    3,472,598.90x = 5,200,603.95 × 2,128,906.10
  4. Step 4: Simplify right side
    3,472,598.90x = 11,071,597,472,839.10
  5. Step 5: Solve for x
    x = 11,071,597,472,839.10/3,472,598.90
  6. Step 6: Final answer
    x = 3,188,274.20

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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.