Home / 3,851,589.59-5,315,128.72-2,132,673.20

Finding the Fourth Proportional to 3,851,589.59, 5,315,128.72 and 2,132,673.20

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Solution

The fourth proportional to 3,851,589.59, 5,315,128.72 and 2,132,673.20 is: 2,943,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,589.59 : 5,315,128.72 = 2,132,673.20 : x
  2. Step 2: Convert to fraction form
    3,851,589.59/5,315,128.72 = 2,132,673.20/x
  3. Step 3: Cross multiply
    3,851,589.59x = 5,315,128.72 × 2,132,673.20
  4. Step 4: Simplify right side
    3,851,589.59x = 11,335,432,575,715.00
  5. Step 5: Solve for x
    x = 11,335,432,575,715.00/3,851,589.59
  6. Step 6: Final answer
    x = 2,943,053.07

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1.5x scale

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.