Home / 2,857,012.07-3,942,724.56-1,567,972.40

Finding the Fourth Proportional to 2,857,012.07, 3,942,724.56 and 1,567,972.40

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Solution

The fourth proportional to 2,857,012.07, 3,942,724.56 and 1,567,972.40 is: 2,163,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,012.07 : 3,942,724.56 = 1,567,972.40 : x
  2. Step 2: Convert to fraction form
    2,857,012.07/3,942,724.56 = 1,567,972.40/x
  3. Step 3: Cross multiply
    2,857,012.07x = 3,942,724.56 × 1,567,972.40
  4. Step 4: Simplify right side
    2,857,012.07x = 6,182,083,290,882.14
  5. Step 5: Solve for x
    x = 6,182,083,290,882.14/2,857,012.07
  6. Step 6: Final answer
    x = 2,163,828.20

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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.