Home / 1,975,278.69-2,726,106.57-1,115,894.61

Finding the Fourth Proportional to 1,975,278.69, 2,726,106.57 and 1,115,894.61

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Solution

The fourth proportional to 1,975,278.69, 2,726,106.57 and 1,115,894.61 is: 1,540,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,278.69 : 2,726,106.57 = 1,115,894.61 : x
  2. Step 2: Convert to fraction form
    1,975,278.69/2,726,106.57 = 1,115,894.61/x
  3. Step 3: Cross multiply
    1,975,278.69x = 2,726,106.57 × 1,115,894.61
  4. Step 4: Simplify right side
    1,975,278.69x = 3,042,047,627,748.59
  5. Step 5: Solve for x
    x = 3,042,047,627,748.59/1,975,278.69
  6. Step 6: Final answer
    x = 1,540,059.96

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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.