Home / 4,190,961.60-6,289,207.20-1,531,569.60

Finding the Fourth Proportional to 4,190,961.60, 6,289,207.20 and 1,531,569.60

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Solution

The fourth proportional to 4,190,961.60, 6,289,207.20 and 1,531,569.60 is: 2,298,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190,961.60 : 6,289,207.20 = 1,531,569.60 : x
  2. Step 2: Convert to fraction form
    4,190,961.60/6,289,207.20 = 1,531,569.60/x
  3. Step 3: Cross multiply
    4,190,961.60x = 6,289,207.20 × 1,531,569.60
  4. Step 4: Simplify right side
    4,190,961.60x = 9,632,358,555,621.12
  5. Step 5: Solve for x
    x = 9,632,358,555,621.12/4,190,961.60
  6. Step 6: Final answer
    x = 2,298,364.78

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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.