Home / 1,948,122.92-2,922,615.62-668,701.73

Finding the Fourth Proportional to 1,948,122.92, 2,922,615.62 and 668,701.73

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Solution

The fourth proportional to 1,948,122.92, 2,922,615.62 and 668,701.73 is: 1,003,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,122.92 : 2,922,615.62 = 668,701.73 : x
  2. Step 2: Convert to fraction form
    1,948,122.92/2,922,615.62 = 668,701.73/x
  3. Step 3: Cross multiply
    1,948,122.92x = 2,922,615.62 × 668,701.73
  4. Step 4: Simplify right side
    1,948,122.92x = 1,954,358,121,219.02
  5. Step 5: Solve for x
    x = 1,954,358,121,219.02/1,948,122.92
  6. Step 6: Final answer
    x = 1,003,200.62

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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.