Home / 2,316,966.72-3,197,383.20-1,298,391.36

Finding the Fourth Proportional to 2,316,966.72, 3,197,383.20 and 1,298,391.36

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Solution

The fourth proportional to 2,316,966.72, 3,197,383.20 and 1,298,391.36 is: 1,791,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316,966.72 : 3,197,383.20 = 1,298,391.36 : x
  2. Step 2: Convert to fraction form
    2,316,966.72/3,197,383.20 = 1,298,391.36/x
  3. Step 3: Cross multiply
    2,316,966.72x = 3,197,383.20 × 1,298,391.36
  4. Step 4: Simplify right side
    2,316,966.72x = 4,151,454,721,489.15
  5. Step 5: Solve for x
    x = 4,151,454,721,489.15/2,316,966.72
  6. Step 6: Final answer
    x = 1,791,762.78

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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.