Home / 2,860,720.20-3,947,750.22-1,553,965.83

Finding the Fourth Proportional to 2,860,720.20, 3,947,750.22 and 1,553,965.83

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Solution

The fourth proportional to 2,860,720.20, 3,947,750.22 and 1,553,965.83 is: 2,144,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,720.20 : 3,947,750.22 = 1,553,965.83 : x
  2. Step 2: Convert to fraction form
    2,860,720.20/3,947,750.22 = 1,553,965.83/x
  3. Step 3: Cross multiply
    2,860,720.20x = 3,947,750.22 × 1,553,965.83
  4. Step 4: Simplify right side
    2,860,720.20x = 6,134,668,947,254.98
  5. Step 5: Solve for x
    x = 6,134,668,947,254.98/2,860,720.20
  6. Step 6: Final answer
    x = 2,144,449.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.