Home / 1,787,651.41-2,467,006.67-971,909.97

Finding the Fourth Proportional to 1,787,651.41, 2,467,006.67 and 971,909.97

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Solution

The fourth proportional to 1,787,651.41, 2,467,006.67 and 971,909.97 is: 1,341,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,651.41 : 2,467,006.67 = 971,909.97 : x
  2. Step 2: Convert to fraction form
    1,787,651.41/2,467,006.67 = 971,909.97/x
  3. Step 3: Cross multiply
    1,787,651.41x = 2,467,006.67 × 971,909.97
  4. Step 4: Simplify right side
    1,787,651.41x = 2,397,708,373,769.95
  5. Step 5: Solve for x
    x = 2,397,708,373,769.95/1,787,651.41
  6. Step 6: Final answer
    x = 1,341,261.71

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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.