Home / 2,660,001.20-3,990,001.80-1,596,244.40

Finding the Fourth Proportional to 2,660,001.20, 3,990,001.80 and 1,596,244.40

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Solution

The fourth proportional to 2,660,001.20, 3,990,001.80 and 1,596,244.40 is: 2,394,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,001.20 : 3,990,001.80 = 1,596,244.40 : x
  2. Step 2: Convert to fraction form
    2,660,001.20/3,990,001.80 = 1,596,244.40/x
  3. Step 3: Cross multiply
    2,660,001.20x = 3,990,001.80 × 1,596,244.40
  4. Step 4: Simplify right side
    2,660,001.20x = 6,369,018,029,239.92
  5. Step 5: Solve for x
    x = 6,369,018,029,239.92/2,660,001.20
  6. Step 6: Final answer
    x = 2,394,366.60

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Similar ratio
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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.