Home / 5,672,507.31-8,508,756.11-2,078,555.54

Finding the Fourth Proportional to 5,672,507.31, 8,508,756.11 and 2,078,555.54

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Solution

The fourth proportional to 5,672,507.31, 8,508,756.11 and 2,078,555.54 is: 3,117,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672,507.31 : 8,508,756.11 = 2,078,555.54 : x
  2. Step 2: Convert to fraction form
    5,672,507.31/8,508,756.11 = 2,078,555.54/x
  3. Step 3: Cross multiply
    5,672,507.31x = 8,508,756.11 × 2,078,555.54
  4. Step 4: Simplify right side
    5,672,507.31x = 17,685,922,098,012.79
  5. Step 5: Solve for x
    x = 17,685,922,098,012.79/5,672,507.31
  6. Step 6: Final answer
    x = 3,117,831.52

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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.