Home / 3,958,215.48-5,462,347.95-2,147,379.48

Finding the Fourth Proportional to 3,958,215.48, 5,462,347.95 and 2,147,379.48

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Solution

The fourth proportional to 3,958,215.48, 5,462,347.95 and 2,147,379.48 is: 2,963,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958,215.48 : 5,462,347.95 = 2,147,379.48 : x
  2. Step 2: Convert to fraction form
    3,958,215.48/5,462,347.95 = 2,147,379.48/x
  3. Step 3: Cross multiply
    3,958,215.48x = 5,462,347.95 × 2,147,379.48
  4. Step 4: Simplify right side
    3,958,215.48x = 11,729,733,900,450.07
  5. Step 5: Solve for x
    x = 11,729,733,900,450.07/3,958,215.48
  6. Step 6: Final answer
    x = 2,963,389.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.