Home / 5,205,982.07-7,807,144.23-1,561,625.42

Finding the Fourth Proportional to 5,205,982.07, 7,807,144.23 and 1,561,625.42

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Solution

The fourth proportional to 5,205,982.07, 7,807,144.23 and 1,561,625.42 is: 2,341,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205,982.07 : 7,807,144.23 = 1,561,625.42 : x
  2. Step 2: Convert to fraction form
    5,205,982.07/7,807,144.23 = 1,561,625.42/x
  3. Step 3: Cross multiply
    5,205,982.07x = 7,807,144.23 × 1,561,625.42
  4. Step 4: Simplify right side
    5,205,982.07x = 12,191,834,848,138.61
  5. Step 5: Solve for x
    x = 12,191,834,848,138.61/5,205,982.07
  6. Step 6: Final answer
    x = 2,341,889.52

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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.