Home / 2,040,430.64-2,815,736.20-1,122,660.40

Finding the Fourth Proportional to 2,040,430.64, 2,815,736.20 and 1,122,660.40

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Solution

The fourth proportional to 2,040,430.64, 2,815,736.20 and 1,122,660.40 is: 1,549,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,430.64 : 2,815,736.20 = 1,122,660.40 : x
  2. Step 2: Convert to fraction form
    2,040,430.64/2,815,736.20 = 1,122,660.40/x
  3. Step 3: Cross multiply
    2,040,430.64x = 2,815,736.20 × 1,122,660.40
  4. Step 4: Simplify right side
    2,040,430.64x = 3,161,115,535,625.82
  5. Step 5: Solve for x
    x = 3,161,115,535,625.82/2,040,430.64
  6. Step 6: Final answer
    x = 1,549,239.40

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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.