Home / 2,021,950.72-2,790,909.76-1,247,818.24

Finding the Fourth Proportional to 2,021,950.72, 2,790,909.76 and 1,247,818.24

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Solution

The fourth proportional to 2,021,950.72, 2,790,909.76 and 1,247,818.24 is: 1,722,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,950.72 : 2,790,909.76 = 1,247,818.24 : x
  2. Step 2: Convert to fraction form
    2,021,950.72/2,790,909.76 = 1,247,818.24/x
  3. Step 3: Cross multiply
    2,021,950.72x = 2,790,909.76 × 1,247,818.24
  4. Step 4: Simplify right side
    2,021,950.72x = 3,482,548,104,722.02
  5. Step 5: Solve for x
    x = 3,482,548,104,722.02/2,021,950.72
  6. Step 6: Final answer
    x = 1,722,370.42

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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.