Home / 2,078,689.45-2,868,673.18-1,195,636.97

Finding the Fourth Proportional to 2,078,689.45, 2,868,673.18 and 1,195,636.97

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Solution

The fourth proportional to 2,078,689.45, 2,868,673.18 and 1,195,636.97 is: 1,650,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,689.45 : 2,868,673.18 = 1,195,636.97 : x
  2. Step 2: Convert to fraction form
    2,078,689.45/2,868,673.18 = 1,195,636.97/x
  3. Step 3: Cross multiply
    2,078,689.45x = 2,868,673.18 × 1,195,636.97
  4. Step 4: Simplify right side
    2,078,689.45x = 3,429,891,708,855.47
  5. Step 5: Solve for x
    x = 3,429,891,708,855.47/2,078,689.45
  6. Step 6: Final answer
    x = 1,650,026.03

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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.