Home / 2,114,519.67-2,918,065.11-1,147,661.55

Finding the Fourth Proportional to 2,114,519.67, 2,918,065.11 and 1,147,661.55

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Solution

The fourth proportional to 2,114,519.67, 2,918,065.11 and 1,147,661.55 is: 1,583,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,519.67 : 2,918,065.11 = 1,147,661.55 : x
  2. Step 2: Convert to fraction form
    2,114,519.67/2,918,065.11 = 1,147,661.55/x
  3. Step 3: Cross multiply
    2,114,519.67x = 2,918,065.11 × 1,147,661.55
  4. Step 4: Simplify right side
    2,114,519.67x = 3,348,951,127,143.52
  5. Step 5: Solve for x
    x = 3,348,951,127,143.52/2,114,519.67
  6. Step 6: Final answer
    x = 1,583,788.12

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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.