Home / 2,547,971.88-3,821,957.79-928,862.13

Finding the Fourth Proportional to 2,547,971.88, 3,821,957.79 and 928,862.13

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Solution

The fourth proportional to 2,547,971.88, 3,821,957.79 and 928,862.13 is: 1,393,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547,971.88 : 3,821,957.79 = 928,862.13 : x
  2. Step 2: Convert to fraction form
    2,547,971.88/3,821,957.79 = 928,862.13/x
  3. Step 3: Cross multiply
    2,547,971.88x = 3,821,957.79 × 928,862.13
  4. Step 4: Simplify right side
    2,547,971.88x = 3,550,071,853,589.49
  5. Step 5: Solve for x
    x = 3,550,071,853,589.49/2,547,971.88
  6. Step 6: Final answer
    x = 1,393,293.18

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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.