Home / 6,781,928.80-9,361,522.20-4,490,827.60

Finding the Fourth Proportional to 6,781,928.80, 9,361,522.20 and 4,490,827.60

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Solution

The fourth proportional to 6,781,928.80, 9,361,522.20 and 4,490,827.60 is: 6,198,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781,928.80 : 9,361,522.20 = 4,490,827.60 : x
  2. Step 2: Convert to fraction form
    6,781,928.80/9,361,522.20 = 4,490,827.60/x
  3. Step 3: Cross multiply
    6,781,928.80x = 9,361,522.20 × 4,490,827.60
  4. Step 4: Simplify right side
    6,781,928.80x = 42,040,982,273,772.71
  5. Step 5: Solve for x
    x = 42,040,982,273,772.71/6,781,928.80
  6. Step 6: Final answer
    x = 6,198,971.34

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1.5x scale

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.