Home / 4,999,540.30-7,502,040.54-2,120,459.28

Finding the Fourth Proportional to 4,999,540.30, 7,502,040.54 and 2,120,459.28

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Solution

The fourth proportional to 4,999,540.30, 7,502,040.54 and 2,120,459.28 is: 3,181,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999,540.30 : 7,502,040.54 = 2,120,459.28 : x
  2. Step 2: Convert to fraction form
    4,999,540.30/7,502,040.54 = 2,120,459.28/x
  3. Step 3: Cross multiply
    4,999,540.30x = 7,502,040.54 × 2,120,459.28
  4. Step 4: Simplify right side
    4,999,540.30x = 15,907,771,481,979.21
  5. Step 5: Solve for x
    x = 15,907,771,481,979.21/4,999,540.30
  6. Step 6: Final answer
    x = 3,181,846.84

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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.