Home / 1,996,267.89-2,754,904.92-1,221,883.32

Finding the Fourth Proportional to 1,996,267.89, 2,754,904.92 and 1,221,883.32

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Solution

The fourth proportional to 1,996,267.89, 2,754,904.92 and 1,221,883.32 is: 1,686,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,267.89 : 2,754,904.92 = 1,221,883.32 : x
  2. Step 2: Convert to fraction form
    1,996,267.89/2,754,904.92 = 1,221,883.32/x
  3. Step 3: Cross multiply
    1,996,267.89x = 2,754,904.92 × 1,221,883.32
  4. Step 4: Simplify right side
    1,996,267.89x = 3,366,172,369,933.93
  5. Step 5: Solve for x
    x = 3,366,172,369,933.93/1,996,267.89
  6. Step 6: Final answer
    x = 1,686,232.79

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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.