Home / 2,165,247.28-2,988,047.64-1,198,444.72

Finding the Fourth Proportional to 2,165,247.28, 2,988,047.64 and 1,198,444.72

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Solution

The fourth proportional to 2,165,247.28, 2,988,047.64 and 1,198,444.72 is: 1,653,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,247.28 : 2,988,047.64 = 1,198,444.72 : x
  2. Step 2: Convert to fraction form
    2,165,247.28/2,988,047.64 = 1,198,444.72/x
  3. Step 3: Cross multiply
    2,165,247.28x = 2,988,047.64 × 1,198,444.72
  4. Step 4: Simplify right side
    2,165,247.28x = 3,581,009,917,266.46
  5. Step 5: Solve for x
    x = 3,581,009,917,266.46/2,165,247.28
  6. Step 6: Final answer
    x = 1,653,857.25

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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.