Home / 2,136,000.80-3,204,001.20-639,898.40

Finding the Fourth Proportional to 2,136,000.80, 3,204,001.20 and 639,898.40

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Solution

The fourth proportional to 2,136,000.80, 3,204,001.20 and 639,898.40 is: 959,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,000.80 : 3,204,001.20 = 639,898.40 : x
  2. Step 2: Convert to fraction form
    2,136,000.80/3,204,001.20 = 639,898.40/x
  3. Step 3: Cross multiply
    2,136,000.80x = 3,204,001.20 × 639,898.40
  4. Step 4: Simplify right side
    2,136,000.80x = 2,050,235,241,478.08
  5. Step 5: Solve for x
    x = 2,050,235,241,478.08/2,136,000.80
  6. Step 6: Final answer
    x = 959,847.60

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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.