Home / 3,991,800.29-5,508,686.61-2,156,258.61

Finding the Fourth Proportional to 3,991,800.29, 5,508,686.61 and 2,156,258.61

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Solution

The fourth proportional to 3,991,800.29, 5,508,686.61 and 2,156,258.61 is: 2,975,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,800.29 : 5,508,686.61 = 2,156,258.61 : x
  2. Step 2: Convert to fraction form
    3,991,800.29/5,508,686.61 = 2,156,258.61/x
  3. Step 3: Cross multiply
    3,991,800.29x = 5,508,686.61 × 2,156,258.61
  4. Step 4: Simplify right side
    3,991,800.29x = 11,878,152,932,604.21
  5. Step 5: Solve for x
    x = 11,878,152,932,604.21/3,991,800.29
  6. Step 6: Final answer
    x = 2,975,638.08

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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.