Home / 3,571,217.22-4,927,513.05-2,121,401.46

Finding the Fourth Proportional to 3,571,217.22, 4,927,513.05 and 2,121,401.46

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Solution

The fourth proportional to 3,571,217.22, 4,927,513.05 and 2,121,401.46 is: 2,927,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,217.22 : 4,927,513.05 = 2,121,401.46 : x
  2. Step 2: Convert to fraction form
    3,571,217.22/4,927,513.05 = 2,121,401.46/x
  3. Step 3: Cross multiply
    3,571,217.22x = 4,927,513.05 × 2,121,401.46
  4. Step 4: Simplify right side
    3,571,217.22x = 10,453,233,378,439.05
  5. Step 5: Solve for x
    x = 10,453,233,378,439.05/3,571,217.22
  6. Step 6: Final answer
    x = 2,927,078.57

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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.