Home / 2,116,376.88-2,920,517.15-1,256,915.04

Finding the Fourth Proportional to 2,116,376.88, 2,920,517.15 and 1,256,915.04

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Solution

The fourth proportional to 2,116,376.88, 2,920,517.15 and 1,256,915.04 is: 1,734,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,376.88 : 2,920,517.15 = 1,256,915.04 : x
  2. Step 2: Convert to fraction form
    2,116,376.88/2,920,517.15 = 1,256,915.04/x
  3. Step 3: Cross multiply
    2,116,376.88x = 2,920,517.15 × 1,256,915.04
  4. Step 4: Simplify right side
    2,116,376.88x = 3,670,841,924,128.36
  5. Step 5: Solve for x
    x = 3,670,841,924,128.36/2,116,376.88
  6. Step 6: Final answer
    x = 1,734,493.49

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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.