Home / 3,290,082.80-4,540,326.36-1,913,756.72

Finding the Fourth Proportional to 3,290,082.80, 4,540,326.36 and 1,913,756.72

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Solution

The fourth proportional to 3,290,082.80, 4,540,326.36 and 1,913,756.72 is: 2,640,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,082.80 : 4,540,326.36 = 1,913,756.72 : x
  2. Step 2: Convert to fraction form
    3,290,082.80/4,540,326.36 = 1,913,756.72/x
  3. Step 3: Cross multiply
    3,290,082.80x = 4,540,326.36 × 1,913,756.72
  4. Step 4: Simplify right side
    3,290,082.80x = 8,689,080,082,443.14
  5. Step 5: Solve for x
    x = 8,689,080,082,443.14/3,290,082.80
  6. Step 6: Final answer
    x = 2,640,991.31

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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.