Home / 2,314,139.20-3,472,936.80-1,191,630.40

Finding the Fourth Proportional to 2,314,139.20, 3,472,936.80 and 1,191,630.40

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Solution

The fourth proportional to 2,314,139.20, 3,472,936.80 and 1,191,630.40 is: 1,788,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314,139.20 : 3,472,936.80 = 1,191,630.40 : x
  2. Step 2: Convert to fraction form
    2,314,139.20/3,472,936.80 = 1,191,630.40/x
  3. Step 3: Cross multiply
    2,314,139.20x = 3,472,936.80 × 1,191,630.40
  4. Step 4: Simplify right side
    2,314,139.20x = 4,138,457,068,158.72
  5. Step 5: Solve for x
    x = 4,138,457,068,158.72/2,314,139.20
  6. Step 6: Final answer
    x = 1,788,335.41

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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.