Home / 2,253,008.02-3,109,137.56-1,220,535.30

Finding the Fourth Proportional to 2,253,008.02, 3,109,137.56 and 1,220,535.30

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Solution

The fourth proportional to 2,253,008.02, 3,109,137.56 and 1,220,535.30 is: 1,684,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253,008.02 : 3,109,137.56 = 1,220,535.30 : x
  2. Step 2: Convert to fraction form
    2,253,008.02/3,109,137.56 = 1,220,535.30/x
  3. Step 3: Cross multiply
    2,253,008.02x = 3,109,137.56 × 1,220,535.30
  4. Step 4: Simplify right side
    2,253,008.02x = 3,794,812,144,535.87
  5. Step 5: Solve for x
    x = 3,794,812,144,535.87/2,253,008.02
  6. Step 6: Final answer
    x = 1,684,331.40

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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.