Home / 3,930,400.61-5,426,081.87-2,756,604.23

Finding the Fourth Proportional to 3,930,400.61, 5,426,081.87 and 2,756,604.23

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Solution

The fourth proportional to 3,930,400.61, 5,426,081.87 and 2,756,604.23 is: 3,805,607.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,400.61 : 5,426,081.87 = 2,756,604.23 : x
  2. Step 2: Convert to fraction form
    3,930,400.61/5,426,081.87 = 2,756,604.23/x
  3. Step 3: Cross multiply
    3,930,400.61x = 5,426,081.87 × 2,756,604.23
  4. Step 4: Simplify right side
    3,930,400.61x = 14,957,560,199,341.83
  5. Step 5: Solve for x
    x = 14,957,560,199,341.83/3,930,400.61
  6. Step 6: Final answer
    x = 3,805,607.03

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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.