Home / 3,889,565.83-5,368,141.86-2,170,797.06

Finding the Fourth Proportional to 3,889,565.83, 5,368,141.86 and 2,170,797.06

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Solution

The fourth proportional to 3,889,565.83, 5,368,141.86 and 2,170,797.06 is: 2,996,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,565.83 : 5,368,141.86 = 2,170,797.06 : x
  2. Step 2: Convert to fraction form
    3,889,565.83/5,368,141.86 = 2,170,797.06/x
  3. Step 3: Cross multiply
    3,889,565.83x = 5,368,141.86 × 2,170,797.06
  4. Step 4: Simplify right side
    3,889,565.83x = 11,653,146,579,340.98
  5. Step 5: Solve for x
    x = 11,653,146,579,340.98/3,889,565.83
  6. Step 6: Final answer
    x = 2,996,001.89

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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.