Home / 1,943,242.10-2,915,236.77-745,070.97

Finding the Fourth Proportional to 1,943,242.10, 2,915,236.77 and 745,070.97

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Solution

The fourth proportional to 1,943,242.10, 2,915,236.77 and 745,070.97 is: 1,117,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,242.10 : 2,915,236.77 = 745,070.97 : x
  2. Step 2: Convert to fraction form
    1,943,242.10/2,915,236.77 = 745,070.97/x
  3. Step 3: Cross multiply
    1,943,242.10x = 2,915,236.77 × 745,070.97
  4. Step 4: Simplify right side
    1,943,242.10x = 2,172,058,288,003.57
  5. Step 5: Solve for x
    x = 2,172,058,288,003.57/1,943,242.10
  6. Step 6: Final answer
    x = 1,117,749.71

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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.