Home / 3,210,000.80-4,815,001.20-1,079,376.80

Finding the Fourth Proportional to 3,210,000.80, 4,815,001.20 and 1,079,376.80

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Solution

The fourth proportional to 3,210,000.80, 4,815,001.20 and 1,079,376.80 is: 1,619,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,000.80 : 4,815,001.20 = 1,079,376.80 : x
  2. Step 2: Convert to fraction form
    3,210,000.80/4,815,001.20 = 1,079,376.80/x
  3. Step 3: Cross multiply
    3,210,000.80x = 4,815,001.20 × 1,079,376.80
  4. Step 4: Simplify right side
    3,210,000.80x = 5,197,200,587,252.16
  5. Step 5: Solve for x
    x = 5,197,200,587,252.16/3,210,000.80
  6. Step 6: Final answer
    x = 1,619,065.20

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Similar ratio
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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.