Home / 2,856,990.07-3,942,694.20-1,567,950.40

Finding the Fourth Proportional to 2,856,990.07, 3,942,694.20 and 1,567,950.40

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Solution

The fourth proportional to 2,856,990.07, 3,942,694.20 and 1,567,950.40 is: 2,163,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,990.07 : 3,942,694.20 = 1,567,950.40 : x
  2. Step 2: Convert to fraction form
    2,856,990.07/3,942,694.20 = 1,567,950.40/x
  3. Step 3: Cross multiply
    2,856,990.07x = 3,942,694.20 × 1,567,950.40
  4. Step 4: Simplify right side
    2,856,990.07x = 6,181,948,947,967.68
  5. Step 5: Solve for x
    x = 6,181,948,947,967.68/2,856,990.07
  6. Step 6: Final answer
    x = 2,163,797.84

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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.