Home / 3,851,591.09-5,315,130.80-2,132,674.70

Finding the Fourth Proportional to 3,851,591.09, 5,315,130.80 and 2,132,674.70

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Solution

The fourth proportional to 3,851,591.09, 5,315,130.80 and 2,132,674.70 is: 2,943,055.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,591.09 : 5,315,130.80 = 2,132,674.70 : x
  2. Step 2: Convert to fraction form
    3,851,591.09/5,315,130.80 = 2,132,674.70/x
  3. Step 3: Cross multiply
    3,851,591.09x = 5,315,130.80 × 2,132,674.70
  4. Step 4: Simplify right side
    3,851,591.09x = 11,335,444,947,111.73
  5. Step 5: Solve for x
    x = 11,335,444,947,111.73/3,851,591.09
  6. Step 6: Final answer
    x = 2,943,055.14

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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.