Home / 3,830,986.92-5,746,480.32-3,639,422.12

Finding the Fourth Proportional to 3,830,986.92, 5,746,480.32 and 3,639,422.12

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Solution

The fourth proportional to 3,830,986.92, 5,746,480.32 and 3,639,422.12 is: 5,459,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,986.92 : 5,746,480.32 = 3,639,422.12 : x
  2. Step 2: Convert to fraction form
    3,830,986.92/5,746,480.32 = 3,639,422.12/x
  3. Step 3: Cross multiply
    3,830,986.92x = 5,746,480.32 × 3,639,422.12
  4. Step 4: Simplify right side
    3,830,986.92x = 20,913,867,588,752.68
  5. Step 5: Solve for x
    x = 20,913,867,588,752.68/3,830,986.92
  6. Step 6: Final answer
    x = 5,459,133.12

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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.