Home / 2,212,402.80-3,053,407.02-1,245,721.46

Finding the Fourth Proportional to 2,212,402.80, 3,053,407.02 and 1,245,721.46

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Solution

The fourth proportional to 2,212,402.80, 3,053,407.02 and 1,245,721.46 is: 1,719,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,402.80 : 3,053,407.02 = 1,245,721.46 : x
  2. Step 2: Convert to fraction form
    2,212,402.80/3,053,407.02 = 1,245,721.46/x
  3. Step 3: Cross multiply
    2,212,402.80x = 3,053,407.02 × 1,245,721.46
  4. Step 4: Simplify right side
    2,212,402.80x = 3,803,694,648,165.57
  5. Step 5: Solve for x
    x = 3,803,694,648,165.57/2,212,402.80
  6. Step 6: Final answer
    x = 1,719,259.55

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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.