Home / 3,619,403.08-4,995,219.38-2,091,510.21

Finding the Fourth Proportional to 3,619,403.08, 4,995,219.38 and 2,091,510.21

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Solution

The fourth proportional to 3,619,403.08, 4,995,219.38 and 2,091,510.21 is: 2,886,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,403.08 : 4,995,219.38 = 2,091,510.21 : x
  2. Step 2: Convert to fraction form
    3,619,403.08/4,995,219.38 = 2,091,510.21/x
  3. Step 3: Cross multiply
    3,619,403.08x = 4,995,219.38 × 2,091,510.21
  4. Step 4: Simplify right side
    3,619,403.08x = 10,447,552,314,712.55
  5. Step 5: Solve for x
    x = 10,447,552,314,712.55/3,619,403.08
  6. Step 6: Final answer
    x = 2,886,540.15

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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.