Home / 2,114,615.16-3,171,895.38-517,191.48

Finding the Fourth Proportional to 2,114,615.16, 3,171,895.38 and 517,191.48

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Solution

The fourth proportional to 2,114,615.16, 3,171,895.38 and 517,191.48 is: 775,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,615.16 : 3,171,895.38 = 517,191.48 : x
  2. Step 2: Convert to fraction form
    2,114,615.16/3,171,895.38 = 517,191.48/x
  3. Step 3: Cross multiply
    2,114,615.16x = 3,171,895.38 × 517,191.48
  4. Step 4: Simplify right side
    2,114,615.16x = 1,640,477,265,987.36
  5. Step 5: Solve for x
    x = 1,640,477,265,987.36/2,114,615.16
  6. Step 6: Final answer
    x = 775,780.53

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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.