Home / 2,398,161.20-3,309,422.50-1,310,407.77

Finding the Fourth Proportional to 2,398,161.20, 3,309,422.50 and 1,310,407.77

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Solution

The fourth proportional to 2,398,161.20, 3,309,422.50 and 1,310,407.77 is: 1,808,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398,161.20 : 3,309,422.50 = 1,310,407.77 : x
  2. Step 2: Convert to fraction form
    2,398,161.20/3,309,422.50 = 1,310,407.77/x
  3. Step 3: Cross multiply
    2,398,161.20x = 3,309,422.50 × 1,310,407.77
  4. Step 4: Simplify right side
    2,398,161.20x = 4,336,692,972,261.17
  5. Step 5: Solve for x
    x = 4,336,692,972,261.17/2,398,161.20
  6. Step 6: Final answer
    x = 1,808,340.90

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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.