Home / 2,192,001.60-3,288,002.40-1,590,139.20

Finding the Fourth Proportional to 2,192,001.60, 3,288,002.40 and 1,590,139.20

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Solution

The fourth proportional to 2,192,001.60, 3,288,002.40 and 1,590,139.20 is: 2,385,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,001.60 : 3,288,002.40 = 1,590,139.20 : x
  2. Step 2: Convert to fraction form
    2,192,001.60/3,288,002.40 = 1,590,139.20/x
  3. Step 3: Cross multiply
    2,192,001.60x = 3,288,002.40 × 1,590,139.20
  4. Step 4: Simplify right side
    2,192,001.60x = 5,228,381,505,934.08
  5. Step 5: Solve for x
    x = 5,228,381,505,934.08/2,192,001.60
  6. Step 6: Final answer
    x = 2,385,208.80

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1.5x scale

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.