Home / 2,155,113.58-3,231,733.45-617,770.43

Finding the Fourth Proportional to 2,155,113.58, 3,231,733.45 and 617,770.43

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Solution

The fourth proportional to 2,155,113.58, 3,231,733.45 and 617,770.43 is: 926,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,113.58 : 3,231,733.45 = 617,770.43 : x
  2. Step 2: Convert to fraction form
    2,155,113.58/3,231,733.45 = 617,770.43/x
  3. Step 3: Cross multiply
    2,155,113.58x = 3,231,733.45 × 617,770.43
  4. Step 4: Simplify right side
    2,155,113.58x = 1,996,469,369,762.40
  5. Step 5: Solve for x
    x = 1,996,469,369,762.40/2,155,113.58
  6. Step 6: Final answer
    x = 926,387.08

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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.