Home / 1,868,339.52-2,578,498.99-1,143,666.14

Finding the Fourth Proportional to 1,868,339.52, 2,578,498.99 and 1,143,666.14

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Solution

The fourth proportional to 1,868,339.52, 2,578,498.99 and 1,143,666.14 is: 1,578,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,339.52 : 2,578,498.99 = 1,143,666.14 : x
  2. Step 2: Convert to fraction form
    1,868,339.52/2,578,498.99 = 1,143,666.14/x
  3. Step 3: Cross multiply
    1,868,339.52x = 2,578,498.99 × 1,143,666.14
  4. Step 4: Simplify right side
    1,868,339.52x = 2,948,941,971,135.54
  5. Step 5: Solve for x
    x = 2,948,941,971,135.54/1,868,339.52
  6. Step 6: Final answer
    x = 1,578,375.85

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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.