Home / 1,948,207.20-2,922,771.60-618,511.20

Finding the Fourth Proportional to 1,948,207.20, 2,922,771.60 and 618,511.20

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Solution

The fourth proportional to 1,948,207.20, 2,922,771.60 and 618,511.20 is: 927,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,207.20 : 2,922,771.60 = 618,511.20 : x
  2. Step 2: Convert to fraction form
    1,948,207.20/2,922,771.60 = 618,511.20/x
  3. Step 3: Cross multiply
    1,948,207.20x = 2,922,771.60 × 618,511.20
  4. Step 4: Simplify right side
    1,948,207.20x = 1,807,766,969,641.92
  5. Step 5: Solve for x
    x = 1,807,766,969,641.92/1,948,207.20
  6. Step 6: Final answer
    x = 927,913.09

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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.