Home / 5,390,250.40-8,085,375.60-2,197,667.80

Finding the Fourth Proportional to 5,390,250.40, 8,085,375.60 and 2,197,667.80

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Solution

The fourth proportional to 5,390,250.40, 8,085,375.60 and 2,197,667.80 is: 3,296,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,250.40 : 8,085,375.60 = 2,197,667.80 : x
  2. Step 2: Convert to fraction form
    5,390,250.40/8,085,375.60 = 2,197,667.80/x
  3. Step 3: Cross multiply
    5,390,250.40x = 8,085,375.60 × 2,197,667.80
  4. Step 4: Simplify right side
    5,390,250.40x = 17,768,969,607,025.68
  5. Step 5: Solve for x
    x = 17,768,969,607,025.68/5,390,250.40
  6. Step 6: Final answer
    x = 3,296,501.70

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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.