Home / 2,040,076.32-2,815,194.12-1,122,157.28

Finding the Fourth Proportional to 2,040,076.32, 2,815,194.12 and 1,122,157.28

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Solution

The fourth proportional to 2,040,076.32, 2,815,194.12 and 1,122,157.28 is: 1,548,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,076.32 : 2,815,194.12 = 1,122,157.28 : x
  2. Step 2: Convert to fraction form
    2,040,076.32/2,815,194.12 = 1,122,157.28/x
  3. Step 3: Cross multiply
    2,040,076.32x = 2,815,194.12 × 1,122,157.28
  4. Step 4: Simplify right side
    2,040,076.32x = 3,159,090,569,677.76
  5. Step 5: Solve for x
    x = 3,159,090,569,677.76/2,040,076.32
  6. Step 6: Final answer
    x = 1,548,515.87

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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.