Home / 2,280,396.17-3,146,946.91-1,247,903.90

Finding the Fourth Proportional to 2,280,396.17, 3,146,946.91 and 1,247,903.90

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Solution

The fourth proportional to 2,280,396.17, 3,146,946.91 and 1,247,903.90 is: 1,722,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,396.17 : 3,146,946.91 = 1,247,903.90 : x
  2. Step 2: Convert to fraction form
    2,280,396.17/3,146,946.91 = 1,247,903.90/x
  3. Step 3: Cross multiply
    2,280,396.17x = 3,146,946.91 × 1,247,903.90
  4. Step 4: Simplify right side
    2,280,396.17x = 3,927,087,326,829.56
  5. Step 5: Solve for x
    x = 3,927,087,326,829.56/2,280,396.17
  6. Step 6: Final answer
    x = 1,722,107.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.