Home / 3,855,385.40-5,776,079.70-3,141,548.60

Finding the Fourth Proportional to 3,855,385.40, 5,776,079.70 and 3,141,548.60

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Solution

The fourth proportional to 3,855,385.40, 5,776,079.70 and 3,141,548.60 is: 4,706,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,385.40 : 5,776,079.70 = 3,141,548.60 : x
  2. Step 2: Convert to fraction form
    3,855,385.40/5,776,079.70 = 3,141,548.60/x
  3. Step 3: Cross multiply
    3,855,385.40x = 5,776,079.70 × 3,141,548.60
  4. Step 4: Simplify right side
    3,855,385.40x = 18,145,835,095,023.42
  5. Step 5: Solve for x
    x = 18,145,835,095,023.42/3,855,385.40
  6. Step 6: Final answer
    x = 4,706,620.28

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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.