Home / 2,956,142.18-4,080,219.32-1,667,729.92

Finding the Fourth Proportional to 2,956,142.18, 4,080,219.32 and 1,667,729.92

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Solution

The fourth proportional to 2,956,142.18, 4,080,219.32 and 1,667,729.92 is: 2,301,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956,142.18 : 4,080,219.32 = 1,667,729.92 : x
  2. Step 2: Convert to fraction form
    2,956,142.18/4,080,219.32 = 1,667,729.92/x
  3. Step 3: Cross multiply
    2,956,142.18x = 4,080,219.32 × 1,667,729.92
  4. Step 4: Simplify right side
    2,956,142.18x = 6,804,703,840,126.05
  5. Step 5: Solve for x
    x = 6,804,703,840,126.05/2,956,142.18
  6. Step 6: Final answer
    x = 2,301,886.52

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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.