Home / 3,658,140.75-5,486,048.10-3,419,323.86

Finding the Fourth Proportional to 3,658,140.75, 5,486,048.10 and 3,419,323.86

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Solution

The fourth proportional to 3,658,140.75, 5,486,048.10 and 3,419,323.86 is: 5,127,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,140.75 : 5,486,048.10 = 3,419,323.86 : x
  2. Step 2: Convert to fraction form
    3,658,140.75/5,486,048.10 = 3,419,323.86/x
  3. Step 3: Cross multiply
    3,658,140.75x = 5,486,048.10 × 3,419,323.86
  4. Step 4: Simplify right side
    3,658,140.75x = 18,758,575,165,437.66
  5. Step 5: Solve for x
    x = 18,758,575,165,437.66/3,658,140.75
  6. Step 6: Final answer
    x = 5,127,898.69

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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.