Home / 6,781,929.80-9,361,523.58-4,490,828.60

Finding the Fourth Proportional to 6,781,929.80, 9,361,523.58 and 4,490,828.60

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Solution

The fourth proportional to 6,781,929.80, 9,361,523.58 and 4,490,828.60 is: 6,198,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781,929.80 : 9,361,523.58 = 4,490,828.60 : x
  2. Step 2: Convert to fraction form
    6,781,929.80/9,361,523.58 = 4,490,828.60/x
  3. Step 3: Cross multiply
    6,781,929.80x = 9,361,523.58 × 4,490,828.60
  4. Step 4: Simplify right side
    6,781,929.80x = 42,040,997,832,638.38
  5. Step 5: Solve for x
    x = 42,040,997,832,638.38/6,781,929.80
  6. Step 6: Final answer
    x = 6,198,972.72

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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.