Home / 1,948,216.20-2,922,785.10-618,520.20

Finding the Fourth Proportional to 1,948,216.20, 2,922,785.10 and 618,520.20

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Solution

The fourth proportional to 1,948,216.20, 2,922,785.10 and 618,520.20 is: 927,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,216.20 : 2,922,785.10 = 618,520.20 : x
  2. Step 2: Convert to fraction form
    1,948,216.20/2,922,785.10 = 618,520.20/x
  3. Step 3: Cross multiply
    1,948,216.20x = 2,922,785.10 × 618,520.20
  4. Step 4: Simplify right side
    1,948,216.20x = 1,807,801,624,609.02
  5. Step 5: Solve for x
    x = 1,807,801,624,609.02/1,948,216.20
  6. Step 6: Final answer
    x = 927,926.59

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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.