Home / 3,622,430.80-5,433,646.20-2,718,981.10

Finding the Fourth Proportional to 3,622,430.80, 5,433,646.20 and 2,718,981.10

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Solution

The fourth proportional to 3,622,430.80, 5,433,646.20 and 2,718,981.10 is: 4,078,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,430.80 : 5,433,646.20 = 2,718,981.10 : x
  2. Step 2: Convert to fraction form
    3,622,430.80/5,433,646.20 = 2,718,981.10/x
  3. Step 3: Cross multiply
    3,622,430.80x = 5,433,646.20 × 2,718,981.10
  4. Step 4: Simplify right side
    3,622,430.80x = 14,773,981,321,886.82
  5. Step 5: Solve for x
    x = 14,773,981,321,886.82/3,622,430.80
  6. Step 6: Final answer
    x = 4,078,471.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.