Home / 2,068,720.50-3,102,492.69-870,915.18

Finding the Fourth Proportional to 2,068,720.50, 3,102,492.69 and 870,915.18

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Solution

The fourth proportional to 2,068,720.50, 3,102,492.69 and 870,915.18 is: 1,306,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,720.50 : 3,102,492.69 = 870,915.18 : x
  2. Step 2: Convert to fraction form
    2,068,720.50/3,102,492.69 = 870,915.18/x
  3. Step 3: Cross multiply
    2,068,720.50x = 3,102,492.69 × 870,915.18
  4. Step 4: Simplify right side
    2,068,720.50x = 2,702,007,979,560.03
  5. Step 5: Solve for x
    x = 2,702,007,979,560.03/2,068,720.50
  6. Step 6: Final answer
    x = 1,306,125.20

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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.