Home / 2,820,963.51-4,231,313.91-690,934.86

Finding the Fourth Proportional to 2,820,963.51, 4,231,313.91 and 690,934.86

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Solution

The fourth proportional to 2,820,963.51, 4,231,313.91 and 690,934.86 is: 1,036,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,963.51 : 4,231,313.91 = 690,934.86 : x
  2. Step 2: Convert to fraction form
    2,820,963.51/4,231,313.91 = 690,934.86/x
  3. Step 3: Cross multiply
    2,820,963.51x = 4,231,313.91 × 690,934.86
  4. Step 4: Simplify right side
    2,820,963.51x = 2,923,562,284,021.90
  5. Step 5: Solve for x
    x = 2,923,562,284,021.90/2,820,963.51
  6. Step 6: Final answer
    x = 1,036,370.12

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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.