Home / 1,851,915.60-2,791,753.88-1,728,466.28

Finding the Fourth Proportional to 1,851,915.60, 2,791,753.88 and 1,728,466.28

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Solution

The fourth proportional to 1,851,915.60, 2,791,753.88 and 1,728,466.28 is: 2,605,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,915.60 : 2,791,753.88 = 1,728,466.28 : x
  2. Step 2: Convert to fraction form
    1,851,915.60/2,791,753.88 = 1,728,466.28/x
  3. Step 3: Cross multiply
    1,851,915.60x = 2,791,753.88 × 1,728,466.28
  4. Step 4: Simplify right side
    1,851,915.60x = 4,825,452,434,996.84
  5. Step 5: Solve for x
    x = 4,825,452,434,996.84/1,851,915.60
  6. Step 6: Final answer
    x = 2,605,654.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.