Home / 2,147,712.20-3,221,568.30-651,801.80

Finding the Fourth Proportional to 2,147,712.20, 3,221,568.30 and 651,801.80

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Solution

The fourth proportional to 2,147,712.20, 3,221,568.30 and 651,801.80 is: 977,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,712.20 : 3,221,568.30 = 651,801.80 : x
  2. Step 2: Convert to fraction form
    2,147,712.20/3,221,568.30 = 651,801.80/x
  3. Step 3: Cross multiply
    2,147,712.20x = 3,221,568.30 × 651,801.80
  4. Step 4: Simplify right side
    2,147,712.20x = 2,099,824,016,762.94
  5. Step 5: Solve for x
    x = 2,099,824,016,762.94/2,147,712.20
  6. Step 6: Final answer
    x = 977,702.70

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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.