Home / 2,255,966.97-3,113,221.20-1,223,464.46

Finding the Fourth Proportional to 2,255,966.97, 3,113,221.20 and 1,223,464.46

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Solution

The fourth proportional to 2,255,966.97, 3,113,221.20 and 1,223,464.46 is: 1,688,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,966.97 : 3,113,221.20 = 1,223,464.46 : x
  2. Step 2: Convert to fraction form
    2,255,966.97/3,113,221.20 = 1,223,464.46/x
  3. Step 3: Cross multiply
    2,255,966.97x = 3,113,221.20 × 1,223,464.46
  4. Step 4: Simplify right side
    2,255,966.97x = 3,808,915,478,752.45
  5. Step 5: Solve for x
    x = 3,808,915,478,752.45/2,255,966.97
  6. Step 6: Final answer
    x = 1,688,373.78

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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.