Home / 2,160,134.78-2,980,928.22-1,193,244.26

Finding the Fourth Proportional to 2,160,134.78, 2,980,928.22 and 1,193,244.26

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Solution

The fourth proportional to 2,160,134.78, 2,980,928.22 and 1,193,244.26 is: 1,646,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,134.78 : 2,980,928.22 = 1,193,244.26 : x
  2. Step 2: Convert to fraction form
    2,160,134.78/2,980,928.22 = 1,193,244.26/x
  3. Step 3: Cross multiply
    2,160,134.78x = 2,980,928.22 × 1,193,244.26
  4. Step 4: Simplify right side
    2,160,134.78x = 3,556,975,487,987.02
  5. Step 5: Solve for x
    x = 3,556,975,487,987.02/2,160,134.78
  6. Step 6: Final answer
    x = 1,646,645.16

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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.