Home / 3,689,570.40-5,091,387.84-2,140,712.12

Finding the Fourth Proportional to 3,689,570.40, 5,091,387.84 and 2,140,712.12

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Solution

The fourth proportional to 3,689,570.40, 5,091,387.84 and 2,140,712.12 is: 2,954,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,570.40 : 5,091,387.84 = 2,140,712.12 : x
  2. Step 2: Convert to fraction form
    3,689,570.40/5,091,387.84 = 2,140,712.12/x
  3. Step 3: Cross multiply
    3,689,570.40x = 5,091,387.84 × 2,140,712.12
  4. Step 4: Simplify right side
    3,689,570.40x = 10,899,195,656,708.62
  5. Step 5: Solve for x
    x = 10,899,195,656,708.62/3,689,570.40
  6. Step 6: Final answer
    x = 2,954,055.48

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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.