Home / 2,560,459.12-3,841,721.46-1,139,543.38

Finding the Fourth Proportional to 2,560,459.12, 3,841,721.46 and 1,139,543.38

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Solution

The fourth proportional to 2,560,459.12, 3,841,721.46 and 1,139,543.38 is: 1,709,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,459.12 : 3,841,721.46 = 1,139,543.38 : x
  2. Step 2: Convert to fraction form
    2,560,459.12/3,841,721.46 = 1,139,543.38/x
  3. Step 3: Cross multiply
    2,560,459.12x = 3,841,721.46 × 1,139,543.38
  4. Step 4: Simplify right side
    2,560,459.12x = 4,377,808,257,546.93
  5. Step 5: Solve for x
    x = 4,377,808,257,546.93/2,560,459.12
  6. Step 6: Final answer
    x = 1,709,774.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.