Home / 2,127,616.80-2,935,709.44-1,268,257.28

Finding the Fourth Proportional to 2,127,616.80, 2,935,709.44 and 1,268,257.28

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Solution

The fourth proportional to 2,127,616.80, 2,935,709.44 and 1,268,257.28 is: 1,749,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,616.80 : 2,935,709.44 = 1,268,257.28 : x
  2. Step 2: Convert to fraction form
    2,127,616.80/2,935,709.44 = 1,268,257.28/x
  3. Step 3: Cross multiply
    2,127,616.80x = 2,935,709.44 × 1,268,257.28
  4. Step 4: Simplify right side
    2,127,616.80x = 3,723,234,869,244.72
  5. Step 5: Solve for x
    x = 3,723,234,869,244.72/2,127,616.80
  6. Step 6: Final answer
    x = 1,749,955.57

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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.