Home / 2,040,074.51-2,815,191.60-1,122,155.45

Finding the Fourth Proportional to 2,040,074.51, 2,815,191.60 and 1,122,155.45

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Solution

The fourth proportional to 2,040,074.51, 2,815,191.60 and 1,122,155.45 is: 1,548,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,074.51 : 2,815,191.60 = 1,122,155.45 : x
  2. Step 2: Convert to fraction form
    2,040,074.51/2,815,191.60 = 1,122,155.45/x
  3. Step 3: Cross multiply
    2,040,074.51x = 2,815,191.60 × 1,122,155.45
  4. Step 4: Simplify right side
    2,040,074.51x = 3,159,082,603,772.20
  5. Step 5: Solve for x
    x = 3,159,082,603,772.20/2,040,074.51
  6. Step 6: Final answer
    x = 1,548,513.35

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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.