Home / 2,718,878.40-4,078,053.54-825,636.24

Finding the Fourth Proportional to 2,718,878.40, 4,078,053.54 and 825,636.24

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Solution

The fourth proportional to 2,718,878.40, 4,078,053.54 and 825,636.24 is: 1,238,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,878.40 : 4,078,053.54 = 825,636.24 : x
  2. Step 2: Convert to fraction form
    2,718,878.40/4,078,053.54 = 825,636.24/x
  3. Step 3: Cross multiply
    2,718,878.40x = 4,078,053.54 × 825,636.24
  4. Step 4: Simplify right side
    2,718,878.40x = 3,366,988,791,284.29
  5. Step 5: Solve for x
    x = 3,366,988,791,284.29/2,718,878.40
  6. Step 6: Final answer
    x = 1,238,374.17

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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.