Home / 3,549,716.80-5,324,575.20-1,421,328.40

Finding the Fourth Proportional to 3,549,716.80, 5,324,575.20 and 1,421,328.40

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Solution

The fourth proportional to 3,549,716.80, 5,324,575.20 and 1,421,328.40 is: 2,131,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,716.80 : 5,324,575.20 = 1,421,328.40 : x
  2. Step 2: Convert to fraction form
    3,549,716.80/5,324,575.20 = 1,421,328.40/x
  3. Step 3: Cross multiply
    3,549,716.80x = 5,324,575.20 × 1,421,328.40
  4. Step 4: Simplify right side
    3,549,716.80x = 7,567,969,949,695.68
  5. Step 5: Solve for x
    x = 7,567,969,949,695.68/3,549,716.80
  6. Step 6: Final answer
    x = 2,131,992.60

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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.