Home / 5,251,640.40-7,877,460.60-3,120,627.60

Finding the Fourth Proportional to 5,251,640.40, 7,877,460.60 and 3,120,627.60

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Solution

The fourth proportional to 5,251,640.40, 7,877,460.60 and 3,120,627.60 is: 4,680,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,640.40 : 7,877,460.60 = 3,120,627.60 : x
  2. Step 2: Convert to fraction form
    5,251,640.40/7,877,460.60 = 3,120,627.60/x
  3. Step 3: Cross multiply
    5,251,640.40x = 7,877,460.60 × 3,120,627.60
  4. Step 4: Simplify right side
    5,251,640.40x = 24,582,620,966,272.56
  5. Step 5: Solve for x
    x = 24,582,620,966,272.56/5,251,640.40
  6. Step 6: Final answer
    x = 4,680,941.40

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1.5x scale

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.