Home / 1,554,019.36-2,144,612.86-865,690.38

Finding the Fourth Proportional to 1,554,019.36, 2,144,612.86 and 865,690.38

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Solution

The fourth proportional to 1,554,019.36, 2,144,612.86 and 865,690.38 is: 1,194,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,019.36 : 2,144,612.86 = 865,690.38 : x
  2. Step 2: Convert to fraction form
    1,554,019.36/2,144,612.86 = 865,690.38/x
  3. Step 3: Cross multiply
    1,554,019.36x = 2,144,612.86 × 865,690.38
  4. Step 4: Simplify right side
    1,554,019.36x = 1,856,570,721,726.29
  5. Step 5: Solve for x
    x = 1,856,570,721,726.29/1,554,019.36
  6. Step 6: Final answer
    x = 1,194,689.57

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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.