Home / 3,872,723.70-5,344,329.17-2,130,355.59

Finding the Fourth Proportional to 3,872,723.70, 5,344,329.17 and 2,130,355.59

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Solution

The fourth proportional to 3,872,723.70, 5,344,329.17 and 2,130,355.59 is: 2,939,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,723.70 : 5,344,329.17 = 2,130,355.59 : x
  2. Step 2: Convert to fraction form
    3,872,723.70/5,344,329.17 = 2,130,355.59/x
  3. Step 3: Cross multiply
    3,872,723.70x = 5,344,329.17 × 2,130,355.59
  4. Step 4: Simplify right side
    3,872,723.70x = 11,385,321,507,394.22
  5. Step 5: Solve for x
    x = 11,385,321,507,394.22/3,872,723.70
  6. Step 6: Final answer
    x = 2,939,874.46

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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.