Home / 2,060,212.80-3,090,319.20-861,736.80

Finding the Fourth Proportional to 2,060,212.80, 3,090,319.20 and 861,736.80

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Solution

The fourth proportional to 2,060,212.80, 3,090,319.20 and 861,736.80 is: 1,292,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060,212.80 : 3,090,319.20 = 861,736.80 : x
  2. Step 2: Convert to fraction form
    2,060,212.80/3,090,319.20 = 861,736.80/x
  3. Step 3: Cross multiply
    2,060,212.80x = 3,090,319.20 × 861,736.80
  4. Step 4: Simplify right side
    2,060,212.80x = 2,663,041,778,386.56
  5. Step 5: Solve for x
    x = 2,663,041,778,386.56/2,060,212.80
  6. Step 6: Final answer
    x = 1,292,605.20

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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.