Home / 2,147,711.20-3,221,566.80-651,800.80

Finding the Fourth Proportional to 2,147,711.20, 3,221,566.80 and 651,800.80

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Solution

The fourth proportional to 2,147,711.20, 3,221,566.80 and 651,800.80 is: 977,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,711.20 : 3,221,566.80 = 651,800.80 : x
  2. Step 2: Convert to fraction form
    2,147,711.20/3,221,566.80 = 651,800.80/x
  3. Step 3: Cross multiply
    2,147,711.20x = 3,221,566.80 × 651,800.80
  4. Step 4: Simplify right side
    2,147,711.20x = 2,099,819,817,493.44
  5. Step 5: Solve for x
    x = 2,099,819,817,493.44/2,147,711.20
  6. Step 6: Final answer
    x = 977,701.20

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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.