Home / 3,615,110.37-5,422,642.11-919,412.28

Finding the Fourth Proportional to 3,615,110.37, 5,422,642.11 and 919,412.28

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Solution

The fourth proportional to 3,615,110.37, 5,422,642.11 and 919,412.28 is: 1,379,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,110.37 : 5,422,642.11 = 919,412.28 : x
  2. Step 2: Convert to fraction form
    3,615,110.37/5,422,642.11 = 919,412.28/x
  3. Step 3: Cross multiply
    3,615,110.37x = 5,422,642.11 × 919,412.28
  4. Step 4: Simplify right side
    3,615,110.37x = 4,985,643,745,979.11
  5. Step 5: Solve for x
    x = 4,985,643,745,979.11/3,615,110.37
  6. Step 6: Final answer
    x = 1,379,112.46

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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.