Home / 5,280,776.60-7,938,077.70-4,906,362.20

Finding the Fourth Proportional to 5,280,776.60, 7,938,077.70 and 4,906,362.20

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Solution

The fourth proportional to 5,280,776.60, 7,938,077.70 and 4,906,362.20 is: 7,375,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,776.60 : 7,938,077.70 = 4,906,362.20 : x
  2. Step 2: Convert to fraction form
    5,280,776.60/7,938,077.70 = 4,906,362.20/x
  3. Step 3: Cross multiply
    5,280,776.60x = 7,938,077.70 × 4,906,362.20
  4. Step 4: Simplify right side
    5,280,776.60x = 38,947,084,367,942.95
  5. Step 5: Solve for x
    x = 38,947,084,367,942.95/5,280,776.60
  6. Step 6: Final answer
    x = 7,375,256.96

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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.