Home / 3,518,205.12-5,278,167.36-1,122,050.16

Finding the Fourth Proportional to 3,518,205.12, 5,278,167.36 and 1,122,050.16

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Solution

The fourth proportional to 3,518,205.12, 5,278,167.36 and 1,122,050.16 is: 1,683,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,205.12 : 5,278,167.36 = 1,122,050.16 : x
  2. Step 2: Convert to fraction form
    3,518,205.12/5,278,167.36 = 1,122,050.16/x
  3. Step 3: Cross multiply
    3,518,205.12x = 5,278,167.36 × 1,122,050.16
  4. Step 4: Simplify right side
    3,518,205.12x = 5,922,368,530,794.78
  5. Step 5: Solve for x
    x = 5,922,368,530,794.78/3,518,205.12
  6. Step 6: Final answer
    x = 1,683,349.42

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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.