Home / 1,691,928.89-2,335,420.22-1,512,567.58

Finding the Fourth Proportional to 1,691,928.89, 2,335,420.22 and 1,512,567.58

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Solution

The fourth proportional to 1,691,928.89, 2,335,420.22 and 1,512,567.58 is: 2,087,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,928.89 : 2,335,420.22 = 1,512,567.58 : x
  2. Step 2: Convert to fraction form
    1,691,928.89/2,335,420.22 = 1,512,567.58/x
  3. Step 3: Cross multiply
    1,691,928.89x = 2,335,420.22 × 1,512,567.58
  4. Step 4: Simplify right side
    1,691,928.89x = 3,532,480,891,208.53
  5. Step 5: Solve for x
    x = 3,532,480,891,208.53/1,691,928.89
  6. Step 6: Final answer
    x = 2,087,842.41

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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.