Home / 2,127,778.56-2,935,933.44-1,268,418.72

Finding the Fourth Proportional to 2,127,778.56, 2,935,933.44 and 1,268,418.72

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Solution

The fourth proportional to 2,127,778.56, 2,935,933.44 and 1,268,418.72 is: 1,750,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,778.56 : 2,935,933.44 = 1,268,418.72 : x
  2. Step 2: Convert to fraction form
    2,127,778.56/2,935,933.44 = 1,268,418.72/x
  3. Step 3: Cross multiply
    2,127,778.56x = 2,935,933.44 × 1,268,418.72
  4. Step 4: Simplify right side
    2,127,778.56x = 3,723,992,935,970.00
  5. Step 5: Solve for x
    x = 3,723,992,935,970.00/2,127,778.56
  6. Step 6: Final answer
    x = 1,750,178.80

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1.5x scale

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.