Home / 3,855,376.40-5,776,066.20-3,141,539.60

Finding the Fourth Proportional to 3,855,376.40, 5,776,066.20 and 3,141,539.60

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Solution

The fourth proportional to 3,855,376.40, 5,776,066.20 and 3,141,539.60 is: 4,706,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,376.40 : 5,776,066.20 = 3,141,539.60 : x
  2. Step 2: Convert to fraction form
    3,855,376.40/5,776,066.20 = 3,141,539.60/x
  3. Step 3: Cross multiply
    3,855,376.40x = 5,776,066.20 × 3,141,539.60
  4. Step 4: Simplify right side
    3,855,376.40x = 18,145,740,699,521.52
  5. Step 5: Solve for x
    x = 18,145,740,699,521.52/3,855,376.40
  6. Step 6: Final answer
    x = 4,706,606.78

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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.