Home / 2,155,764.48-3,234,190.46-716,455.43

Finding the Fourth Proportional to 2,155,764.48, 3,234,190.46 and 716,455.43

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Solution

The fourth proportional to 2,155,764.48, 3,234,190.46 and 716,455.43 is: 1,074,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,764.48 : 3,234,190.46 = 716,455.43 : x
  2. Step 2: Convert to fraction form
    2,155,764.48/3,234,190.46 = 716,455.43/x
  3. Step 3: Cross multiply
    2,155,764.48x = 3,234,190.46 × 716,455.43
  4. Step 4: Simplify right side
    2,155,764.48x = 2,317,153,316,721.20
  5. Step 5: Solve for x
    x = 2,317,153,316,721.20/2,155,764.48
  6. Step 6: Final answer
    x = 1,074,863.85

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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.