Home / 3,556,549.80-5,319,078.30-2,989,679.40

Finding the Fourth Proportional to 3,556,549.80, 5,319,078.30 and 2,989,679.40

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Solution

The fourth proportional to 3,556,549.80, 5,319,078.30 and 2,989,679.40 is: 4,471,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,549.80 : 5,319,078.30 = 2,989,679.40 : x
  2. Step 2: Convert to fraction form
    3,556,549.80/5,319,078.30 = 2,989,679.40/x
  3. Step 3: Cross multiply
    3,556,549.80x = 5,319,078.30 × 2,989,679.40
  4. Step 4: Simplify right side
    3,556,549.80x = 15,902,338,820,497.02
  5. Step 5: Solve for x
    x = 15,902,338,820,497.02/3,556,549.80
  6. Step 6: Final answer
    x = 4,471,282.48

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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.