Home / 2,115,627.20-3,173,116.80-695,686.40

Finding the Fourth Proportional to 2,115,627.20, 3,173,116.80 and 695,686.40

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Solution

The fourth proportional to 2,115,627.20, 3,173,116.80 and 695,686.40 is: 1,043,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,627.20 : 3,173,116.80 = 695,686.40 : x
  2. Step 2: Convert to fraction form
    2,115,627.20/3,173,116.80 = 695,686.40/x
  3. Step 3: Cross multiply
    2,115,627.20x = 3,173,116.80 × 695,686.40
  4. Step 4: Simplify right side
    2,115,627.20x = 2,207,494,203,371.52
  5. Step 5: Solve for x
    x = 2,207,494,203,371.52/2,115,627.20
  6. Step 6: Final answer
    x = 1,043,423.06

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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.