Home / 2,128,418.44-2,937,279.66-1,161,610.78

Finding the Fourth Proportional to 2,128,418.44, 2,937,279.66 and 1,161,610.78

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Solution

The fourth proportional to 2,128,418.44, 2,937,279.66 and 1,161,610.78 is: 1,603,056.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,418.44 : 2,937,279.66 = 1,161,610.78 : x
  2. Step 2: Convert to fraction form
    2,128,418.44/2,937,279.66 = 1,161,610.78/x
  3. Step 3: Cross multiply
    2,128,418.44x = 2,937,279.66 × 1,161,610.78
  4. Step 4: Simplify right side
    2,128,418.44x = 3,411,975,716,930.74
  5. Step 5: Solve for x
    x = 3,411,975,716,930.74/2,128,418.44
  6. Step 6: Final answer
    x = 1,603,056.83

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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.