Home / 2,857,111.38-4,285,798.29-727,213.95

Finding the Fourth Proportional to 2,857,111.38, 4,285,798.29 and 727,213.95

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Solution

The fourth proportional to 2,857,111.38, 4,285,798.29 and 727,213.95 is: 1,090,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,111.38 : 4,285,798.29 = 727,213.95 : x
  2. Step 2: Convert to fraction form
    2,857,111.38/4,285,798.29 = 727,213.95/x
  3. Step 3: Cross multiply
    2,857,111.38x = 4,285,798.29 × 727,213.95
  4. Step 4: Simplify right side
    2,857,111.38x = 3,116,692,303,374.15
  5. Step 5: Solve for x
    x = 3,116,692,303,374.15/2,857,111.38
  6. Step 6: Final answer
    x = 1,090,854.32

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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.