Home / 4,158,902.30-6,238,948.54-1,280,512.66

Finding the Fourth Proportional to 4,158,902.30, 6,238,948.54 and 1,280,512.66

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Solution

The fourth proportional to 4,158,902.30, 6,238,948.54 and 1,280,512.66 is: 1,920,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158,902.30 : 6,238,948.54 = 1,280,512.66 : x
  2. Step 2: Convert to fraction form
    4,158,902.30/6,238,948.54 = 1,280,512.66/x
  3. Step 3: Cross multiply
    4,158,902.30x = 6,238,948.54 × 1,280,512.66
  4. Step 4: Simplify right side
    4,158,902.30x = 7,989,052,609,357.17
  5. Step 5: Solve for x
    x = 7,989,052,609,357.17/4,158,902.30
  6. Step 6: Final answer
    x = 1,920,952.22

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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.