Home / 3,217,792.20-4,829,409.90-1,325,891.40

Finding the Fourth Proportional to 3,217,792.20, 4,829,409.90 and 1,325,891.40

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Solution

The fourth proportional to 3,217,792.20, 4,829,409.90 and 1,325,891.40 is: 1,989,958.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,792.20 : 4,829,409.90 = 1,325,891.40 : x
  2. Step 2: Convert to fraction form
    3,217,792.20/4,829,409.90 = 1,325,891.40/x
  3. Step 3: Cross multiply
    3,217,792.20x = 4,829,409.90 × 1,325,891.40
  4. Step 4: Simplify right side
    3,217,792.20x = 6,403,273,053,484.86
  5. Step 5: Solve for x
    x = 6,403,273,053,484.86/3,217,792.20
  6. Step 6: Final answer
    x = 1,989,958.54

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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.