Home / 5,360,213.64-7,397,070.54-2,912,778.39

Finding the Fourth Proportional to 5,360,213.64, 7,397,070.54 and 2,912,778.39

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Solution

The fourth proportional to 5,360,213.64, 7,397,070.54 and 2,912,778.39 is: 4,019,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360,213.64 : 7,397,070.54 = 2,912,778.39 : x
  2. Step 2: Convert to fraction form
    5,360,213.64/7,397,070.54 = 2,912,778.39/x
  3. Step 3: Cross multiply
    5,360,213.64x = 7,397,070.54 × 2,912,778.39
  4. Step 4: Simplify right side
    5,360,213.64x = 21,546,027,218,217.63
  5. Step 5: Solve for x
    x = 21,546,027,218,217.63/5,360,213.64
  6. Step 6: Final answer
    x = 4,019,620.98

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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.