Home / 2,145,288-2,960,494.08-1,178,418.24

Finding the Fourth Proportional to 2,145,288, 2,960,494.08 and 1,178,418.24

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Solution

The fourth proportional to 2,145,288, 2,960,494.08 and 1,178,418.24 is: 1,626,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,288 : 2,960,494.08 = 1,178,418.24 : x
  2. Step 2: Convert to fraction form
    2,145,288/2,960,494.08 = 1,178,418.24/x
  3. Step 3: Cross multiply
    2,145,288x = 2,960,494.08 × 1,178,418.24
  4. Step 4: Simplify right side
    2,145,288x = 3,488,700,223,284.02
  5. Step 5: Solve for x
    x = 3,488,700,223,284.02/2,145,288
  6. Step 6: Final answer
    x = 1,626,215.33

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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.