Home / 2,572,664.57-3,859,579.07-866,761.53

Finding the Fourth Proportional to 2,572,664.57, 3,859,579.07 and 866,761.53

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Solution

The fourth proportional to 2,572,664.57, 3,859,579.07 and 866,761.53 is: 1,300,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572,664.57 : 3,859,579.07 = 866,761.53 : x
  2. Step 2: Convert to fraction form
    2,572,664.57/3,859,579.07 = 866,761.53/x
  3. Step 3: Cross multiply
    2,572,664.57x = 3,859,579.07 × 866,761.53
  4. Step 4: Simplify right side
    2,572,664.57x = 3,345,334,649,187.84
  5. Step 5: Solve for x
    x = 3,345,334,649,187.84/2,572,664.57
  6. Step 6: Final answer
    x = 1,300,338.44

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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.