Home / 2,921,806.50-4,032,493.50-1,681,391.34

Finding the Fourth Proportional to 2,921,806.50, 4,032,493.50 and 1,681,391.34

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Solution

The fourth proportional to 2,921,806.50, 4,032,493.50 and 1,681,391.34 is: 2,320,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,806.50 : 4,032,493.50 = 1,681,391.34 : x
  2. Step 2: Convert to fraction form
    2,921,806.50/4,032,493.50 = 1,681,391.34/x
  3. Step 3: Cross multiply
    2,921,806.50x = 4,032,493.50 × 1,681,391.34
  4. Step 4: Simplify right side
    2,921,806.50x = 6,780,199,649,506.29
  5. Step 5: Solve for x
    x = 6,780,199,649,506.29/2,921,806.50
  6. Step 6: Final answer
    x = 2,320,550.54

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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.