Home / 2,188,757.81-3,280,524.68-1,018,702.58

Finding the Fourth Proportional to 2,188,757.81, 3,280,524.68 and 1,018,702.58

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Solution

The fourth proportional to 2,188,757.81, 3,280,524.68 and 1,018,702.58 is: 1,526,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,757.81 : 3,280,524.68 = 1,018,702.58 : x
  2. Step 2: Convert to fraction form
    2,188,757.81/3,280,524.68 = 1,018,702.58/x
  3. Step 3: Cross multiply
    2,188,757.81x = 3,280,524.68 × 1,018,702.58
  4. Step 4: Simplify right side
    2,188,757.81x = 3,341,878,941,974.85
  5. Step 5: Solve for x
    x = 3,341,878,941,974.85/2,188,757.81
  6. Step 6: Final answer
    x = 1,526,838.16

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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.