Home / 4,158,568.38-6,238,443.74-1,280,175.20

Finding the Fourth Proportional to 4,158,568.38, 6,238,443.74 and 1,280,175.20

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Solution

The fourth proportional to 4,158,568.38, 6,238,443.74 and 1,280,175.20 is: 1,920,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158,568.38 : 6,238,443.74 = 1,280,175.20 : x
  2. Step 2: Convert to fraction form
    4,158,568.38/6,238,443.74 = 1,280,175.20/x
  3. Step 3: Cross multiply
    4,158,568.38x = 6,238,443.74 × 1,280,175.20
  4. Step 4: Simplify right side
    4,158,568.38x = 7,986,300,962,543.25
  5. Step 5: Solve for x
    x = 7,986,300,962,543.25/4,158,568.38
  6. Step 6: Final answer
    x = 1,920,444.79

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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.