Home / 2,191,130.03-3,301,651.11-1,800,520.90

Finding the Fourth Proportional to 2,191,130.03, 3,301,651.11 and 1,800,520.90

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Solution

The fourth proportional to 2,191,130.03, 3,301,651.11 and 1,800,520.90 is: 2,713,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,130.03 : 3,301,651.11 = 1,800,520.90 : x
  2. Step 2: Convert to fraction form
    2,191,130.03/3,301,651.11 = 1,800,520.90/x
  3. Step 3: Cross multiply
    2,191,130.03x = 3,301,651.11 × 1,800,520.90
  4. Step 4: Simplify right side
    2,191,130.03x = 5,944,691,816,010.89
  5. Step 5: Solve for x
    x = 5,944,691,816,010.89/2,191,130.03
  6. Step 6: Final answer
    x = 2,713,071.21

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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.