Home / 1,926,885.90-2,658,764.56-1,099,581.72

Finding the Fourth Proportional to 1,926,885.90, 2,658,764.56 and 1,099,581.72

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Solution

The fourth proportional to 1,926,885.90, 2,658,764.56 and 1,099,581.72 is: 1,517,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,885.90 : 2,658,764.56 = 1,099,581.72 : x
  2. Step 2: Convert to fraction form
    1,926,885.90/2,658,764.56 = 1,099,581.72/x
  3. Step 3: Cross multiply
    1,926,885.90x = 2,658,764.56 × 1,099,581.72
  4. Step 4: Simplify right side
    1,926,885.90x = 2,923,528,907,959.84
  5. Step 5: Solve for x
    x = 2,923,528,907,959.84/1,926,885.90
  6. Step 6: Final answer
    x = 1,517,229.90

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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.