Home / 3,460,665.45-5,188,187.87-1,440,421.56

Finding the Fourth Proportional to 3,460,665.45, 5,188,187.87 and 1,440,421.56

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Solution

The fourth proportional to 3,460,665.45, 5,188,187.87 and 1,440,421.56 is: 2,159,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460,665.45 : 5,188,187.87 = 1,440,421.56 : x
  2. Step 2: Convert to fraction form
    3,460,665.45/5,188,187.87 = 1,440,421.56/x
  3. Step 3: Cross multiply
    3,460,665.45x = 5,188,187.87 × 1,440,421.56
  4. Step 4: Simplify right side
    3,460,665.45x = 7,473,177,658,076.37
  5. Step 5: Solve for x
    x = 7,473,177,658,076.37/3,460,665.45
  6. Step 6: Final answer
    x = 2,159,462.61

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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.