Home / 2,990,675.60-4,486,013.40-2,660,001.20

Finding the Fourth Proportional to 2,990,675.60, 4,486,013.40 and 2,660,001.20

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Solution

The fourth proportional to 2,990,675.60, 4,486,013.40 and 2,660,001.20 is: 3,990,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,675.60 : 4,486,013.40 = 2,660,001.20 : x
  2. Step 2: Convert to fraction form
    2,990,675.60/4,486,013.40 = 2,660,001.20/x
  3. Step 3: Cross multiply
    2,990,675.60x = 4,486,013.40 × 2,660,001.20
  4. Step 4: Simplify right side
    2,990,675.60x = 11,932,801,027,216.08
  5. Step 5: Solve for x
    x = 11,932,801,027,216.08/2,990,675.60
  6. Step 6: Final answer
    x = 3,990,001.80

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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.