Home / 3,924,904.80-5,887,357.20-2,128,648.80

Finding the Fourth Proportional to 3,924,904.80, 5,887,357.20 and 2,128,648.80

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Solution

The fourth proportional to 3,924,904.80, 5,887,357.20 and 2,128,648.80 is: 3,192,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924,904.80 : 5,887,357.20 = 2,128,648.80 : x
  2. Step 2: Convert to fraction form
    3,924,904.80/5,887,357.20 = 2,128,648.80/x
  3. Step 3: Cross multiply
    3,924,904.80x = 5,887,357.20 × 2,128,648.80
  4. Step 4: Simplify right side
    3,924,904.80x = 12,532,115,838,951.36
  5. Step 5: Solve for x
    x = 12,532,115,838,951.36/3,924,904.80
  6. Step 6: Final answer
    x = 3,192,973.20

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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.