Home / 5,250,669.40-7,860,257.70-3,119,656.60

Finding the Fourth Proportional to 5,250,669.40, 7,860,257.70 and 3,119,656.60

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Solution

The fourth proportional to 5,250,669.40, 7,860,257.70 and 3,119,656.60 is: 4,670,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,669.40 : 7,860,257.70 = 3,119,656.60 : x
  2. Step 2: Convert to fraction form
    5,250,669.40/7,860,257.70 = 3,119,656.60/x
  3. Step 3: Cross multiply
    5,250,669.40x = 7,860,257.70 × 3,119,656.60
  4. Step 4: Simplify right side
    5,250,669.40x = 24,521,304,811,505.82
  5. Step 5: Solve for x
    x = 24,521,304,811,505.82/5,250,669.40
  6. Step 6: Final answer
    x = 4,670,129.26

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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.