Home / 2,640,041.28-3,953,363.40-2,212,452.72

Finding the Fourth Proportional to 2,640,041.28, 3,953,363.40 and 2,212,452.72

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Solution

The fourth proportional to 2,640,041.28, 3,953,363.40 and 2,212,452.72 is: 3,313,065.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,041.28 : 3,953,363.40 = 2,212,452.72 : x
  2. Step 2: Convert to fraction form
    2,640,041.28/3,953,363.40 = 2,212,452.72/x
  3. Step 3: Cross multiply
    2,640,041.28x = 3,953,363.40 × 2,212,452.72
  4. Step 4: Simplify right side
    2,640,041.28x = 8,746,629,607,478.45
  5. Step 5: Solve for x
    x = 8,746,629,607,478.45/2,640,041.28
  6. Step 6: Final answer
    x = 3,313,065.47

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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.