Home / 3,390,556.88-4,679,230.80-1,940,707.20

Finding the Fourth Proportional to 3,390,556.88, 4,679,230.80 and 1,940,707.20

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Solution

The fourth proportional to 3,390,556.88, 4,679,230.80 and 1,940,707.20 is: 2,678,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,556.88 : 4,679,230.80 = 1,940,707.20 : x
  2. Step 2: Convert to fraction form
    3,390,556.88/4,679,230.80 = 1,940,707.20/x
  3. Step 3: Cross multiply
    3,390,556.88x = 4,679,230.80 × 1,940,707.20
  4. Step 4: Simplify right side
    3,390,556.88x = 9,081,016,904,021.76
  5. Step 5: Solve for x
    x = 9,081,016,904,021.76/3,390,556.88
  6. Step 6: Final answer
    x = 2,678,326.08

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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.