Home / 3,173,161.51-4,382,568.29-2,138,885.47

Finding the Fourth Proportional to 3,173,161.51, 4,382,568.29 and 2,138,885.47

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Solution

The fourth proportional to 3,173,161.51, 4,382,568.29 and 2,138,885.47 is: 2,954,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173,161.51 : 4,382,568.29 = 2,138,885.47 : x
  2. Step 2: Convert to fraction form
    3,173,161.51/4,382,568.29 = 2,138,885.47/x
  3. Step 3: Cross multiply
    3,173,161.51x = 4,382,568.29 × 2,138,885.47
  4. Step 4: Simplify right side
    3,173,161.51x = 9,373,811,636,763.75
  5. Step 5: Solve for x
    x = 9,373,811,636,763.75/3,173,161.51
  6. Step 6: Final answer
    x = 2,954,092.19

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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.