Home / 2,627,712.60-3,942,152.10-1,207,426.20

Finding the Fourth Proportional to 2,627,712.60, 3,942,152.10 and 1,207,426.20

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Solution

The fourth proportional to 2,627,712.60, 3,942,152.10 and 1,207,426.20 is: 1,811,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627,712.60 : 3,942,152.10 = 1,207,426.20 : x
  2. Step 2: Convert to fraction form
    2,627,712.60/3,942,152.10 = 1,207,426.20/x
  3. Step 3: Cross multiply
    2,627,712.60x = 3,942,152.10 × 1,207,426.20
  4. Step 4: Simplify right side
    2,627,712.60x = 4,759,857,729,925.02
  5. Step 5: Solve for x
    x = 4,759,857,729,925.02/2,627,712.60
  6. Step 6: Final answer
    x = 1,811,407.28

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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.