Home / 5,177,790-7,145,382.96-2,886,095.52

Finding the Fourth Proportional to 5,177,790, 7,145,382.96 and 2,886,095.52

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Solution

The fourth proportional to 5,177,790, 7,145,382.96 and 2,886,095.52 is: 3,982,830.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,790 : 7,145,382.96 = 2,886,095.52 : x
  2. Step 2: Convert to fraction form
    5,177,790/7,145,382.96 = 2,886,095.52/x
  3. Step 3: Cross multiply
    5,177,790x = 7,145,382.96 × 2,886,095.52
  4. Step 4: Simplify right side
    5,177,790x = 20,622,257,749,540.34
  5. Step 5: Solve for x
    x = 20,622,257,749,540.34/5,177,790
  6. Step 6: Final answer
    x = 3,982,830.08

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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.