Home / 5,905,386.09-8,149,432.55-3,189,131.85

Finding the Fourth Proportional to 5,905,386.09, 8,149,432.55 and 3,189,131.85

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Solution

The fourth proportional to 5,905,386.09, 8,149,432.55 and 3,189,131.85 is: 4,401,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905,386.09 : 8,149,432.55 = 3,189,131.85 : x
  2. Step 2: Convert to fraction form
    5,905,386.09/8,149,432.55 = 3,189,131.85/x
  3. Step 3: Cross multiply
    5,905,386.09x = 8,149,432.55 × 3,189,131.85
  4. Step 4: Simplify right side
    5,905,386.09x = 25,989,614,888,686.06
  5. Step 5: Solve for x
    x = 25,989,614,888,686.06/5,905,386.09
  6. Step 6: Final answer
    x = 4,401,001.81

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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.