Home / 1,906,491.38-2,859,734.43-486,547.43

Finding the Fourth Proportional to 1,906,491.38, 2,859,734.43 and 486,547.43

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Solution

The fourth proportional to 1,906,491.38, 2,859,734.43 and 486,547.43 is: 729,820.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,491.38 : 2,859,734.43 = 486,547.43 : x
  2. Step 2: Convert to fraction form
    1,906,491.38/2,859,734.43 = 486,547.43/x
  3. Step 3: Cross multiply
    1,906,491.38x = 2,859,734.43 × 486,547.43
  4. Step 4: Simplify right side
    1,906,491.38x = 1,391,396,423,100.34
  5. Step 5: Solve for x
    x = 1,391,396,423,100.34/1,906,491.38
  6. Step 6: Final answer
    x = 729,820.47

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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.