Home / 5,321,630.60-7,983,612.30-1,726,785.80

Finding the Fourth Proportional to 5,321,630.60, 7,983,612.30 and 1,726,785.80

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Solution

The fourth proportional to 5,321,630.60, 7,983,612.30 and 1,726,785.80 is: 2,590,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,630.60 : 7,983,612.30 = 1,726,785.80 : x
  2. Step 2: Convert to fraction form
    5,321,630.60/7,983,612.30 = 1,726,785.80/x
  3. Step 3: Cross multiply
    5,321,630.60x = 7,983,612.30 × 1,726,785.80
  4. Step 4: Simplify right side
    5,321,630.60x = 13,785,988,352,345.34
  5. Step 5: Solve for x
    x = 13,785,988,352,345.34/5,321,630.60
  6. Step 6: Final answer
    x = 2,590,557.18

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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.