Home / 2,237,250.78-3,087,390.33-1,218,655.53

Finding the Fourth Proportional to 2,237,250.78, 3,087,390.33 and 1,218,655.53

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Solution

The fourth proportional to 2,237,250.78, 3,087,390.33 and 1,218,655.53 is: 1,681,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237,250.78 : 3,087,390.33 = 1,218,655.53 : x
  2. Step 2: Convert to fraction form
    2,237,250.78/3,087,390.33 = 1,218,655.53/x
  3. Step 3: Cross multiply
    2,237,250.78x = 3,087,390.33 × 1,218,655.53
  4. Step 4: Simplify right side
    2,237,250.78x = 3,762,465,298,923.03
  5. Step 5: Solve for x
    x = 3,762,465,298,923.03/2,237,250.78
  6. Step 6: Final answer
    x = 1,681,736.05

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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.