Home / 5,142,869.08-7,715,382.48-1,947,924.52

Finding the Fourth Proportional to 5,142,869.08, 7,715,382.48 and 1,947,924.52

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Solution

The fourth proportional to 5,142,869.08, 7,715,382.48 and 1,947,924.52 is: 2,922,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,869.08 : 7,715,382.48 = 1,947,924.52 : x
  2. Step 2: Convert to fraction form
    5,142,869.08/7,715,382.48 = 1,947,924.52/x
  3. Step 3: Cross multiply
    5,142,869.08x = 7,715,382.48 × 1,947,924.52
  4. Step 4: Simplify right side
    5,142,869.08x = 15,028,982,713,970.41
  5. Step 5: Solve for x
    x = 15,028,982,713,970.41/5,142,869.08
  6. Step 6: Final answer
    x = 2,922,295.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.