Home / 1,661,144.85-2,482,613.51-1,212,809.85

Finding the Fourth Proportional to 1,661,144.85, 2,482,613.51 and 1,212,809.85

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Solution

The fourth proportional to 1,661,144.85, 2,482,613.51 and 1,212,809.85 is: 1,812,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,144.85 : 2,482,613.51 = 1,212,809.85 : x
  2. Step 2: Convert to fraction form
    1,661,144.85/2,482,613.51 = 1,212,809.85/x
  3. Step 3: Cross multiply
    1,661,144.85x = 2,482,613.51 × 1,212,809.85
  4. Step 4: Simplify right side
    1,661,144.85x = 3,010,938,112,607.02
  5. Step 5: Solve for x
    x = 3,010,938,112,607.02/1,661,144.85
  6. Step 6: Final answer
    x = 1,812,568.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.