Home / 3,256,121.90-4,492,853.88-1,878,963.10

Finding the Fourth Proportional to 3,256,121.90, 4,492,853.88 and 1,878,963.10

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Solution

The fourth proportional to 3,256,121.90, 4,492,853.88 and 1,878,963.10 is: 2,592,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256,121.90 : 4,492,853.88 = 1,878,963.10 : x
  2. Step 2: Convert to fraction form
    3,256,121.90/4,492,853.88 = 1,878,963.10/x
  3. Step 3: Cross multiply
    3,256,121.90x = 4,492,853.88 × 1,878,963.10
  4. Step 4: Simplify right side
    3,256,121.90x = 8,441,906,659,138.90
  5. Step 5: Solve for x
    x = 8,441,906,659,138.90/3,256,121.90
  6. Step 6: Final answer
    x = 2,592,626.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.