Home / 3,991,069.86-5,507,681.40-2,272,190.34

Finding the Fourth Proportional to 3,991,069.86, 5,507,681.40 and 2,272,190.34

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Solution

The fourth proportional to 3,991,069.86, 5,507,681.40 and 2,272,190.34 is: 3,135,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,069.86 : 5,507,681.40 = 2,272,190.34 : x
  2. Step 2: Convert to fraction form
    3,991,069.86/5,507,681.40 = 2,272,190.34/x
  3. Step 3: Cross multiply
    3,991,069.86x = 5,507,681.40 × 2,272,190.34
  4. Step 4: Simplify right side
    3,991,069.86x = 12,514,500,472,877.68
  5. Step 5: Solve for x
    x = 12,514,500,472,877.68/3,991,069.86
  6. Step 6: Final answer
    x = 3,135,625.51

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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.