Home / 2,156,573.60-3,234,306.60-639,897.80

Finding the Fourth Proportional to 2,156,573.60, 3,234,306.60 and 639,897.80

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Solution

The fourth proportional to 2,156,573.60, 3,234,306.60 and 639,897.80 is: 959,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,573.60 : 3,234,306.60 = 639,897.80 : x
  2. Step 2: Convert to fraction form
    2,156,573.60/3,234,306.60 = 639,897.80/x
  3. Step 3: Cross multiply
    2,156,573.60x = 3,234,306.60 × 639,897.80
  4. Step 4: Simplify right side
    2,156,573.60x = 2,069,625,677,865.48
  5. Step 5: Solve for x
    x = 2,069,625,677,865.48/2,156,573.60
  6. Step 6: Final answer
    x = 959,682.38

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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.