Home / 2,791,696.05-4,188,321.68-1,371,798.45

Finding the Fourth Proportional to 2,791,696.05, 4,188,321.68 and 1,371,798.45

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Solution

The fourth proportional to 2,791,696.05, 4,188,321.68 and 1,371,798.45 is: 2,058,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,696.05 : 4,188,321.68 = 1,371,798.45 : x
  2. Step 2: Convert to fraction form
    2,791,696.05/4,188,321.68 = 1,371,798.45/x
  3. Step 3: Cross multiply
    2,791,696.05x = 4,188,321.68 × 1,371,798.45
  4. Step 4: Simplify right side
    2,791,696.05x = 5,745,533,181,866.40
  5. Step 5: Solve for x
    x = 5,745,533,181,866.40/2,791,696.05
  6. Step 6: Final answer
    x = 2,058,079.78

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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.