Home / 3,556,643.99-5,335,964.71-1,428,222.78

Finding the Fourth Proportional to 3,556,643.99, 5,335,964.71 and 1,428,222.78

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Solution

The fourth proportional to 3,556,643.99, 5,335,964.71 and 1,428,222.78 is: 2,142,735.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,643.99 : 5,335,964.71 = 1,428,222.78 : x
  2. Step 2: Convert to fraction form
    3,556,643.99/5,335,964.71 = 1,428,222.78/x
  3. Step 3: Cross multiply
    3,556,643.99x = 5,335,964.71 × 1,428,222.78
  4. Step 4: Simplify right side
    3,556,643.99x = 7,620,946,348,527.54
  5. Step 5: Solve for x
    x = 7,620,946,348,527.54/3,556,643.99
  6. Step 6: Final answer
    x = 2,142,735.22

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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.