Home / 4,080,992.80-6,121,489.20-2,289,402.40

Finding the Fourth Proportional to 4,080,992.80, 6,121,489.20 and 2,289,402.40

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Solution

The fourth proportional to 4,080,992.80, 6,121,489.20 and 2,289,402.40 is: 3,434,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,992.80 : 6,121,489.20 = 2,289,402.40 : x
  2. Step 2: Convert to fraction form
    4,080,992.80/6,121,489.20 = 2,289,402.40/x
  3. Step 3: Cross multiply
    4,080,992.80x = 6,121,489.20 × 2,289,402.40
  4. Step 4: Simplify right side
    4,080,992.80x = 14,014,552,066,054.08
  5. Step 5: Solve for x
    x = 14,014,552,066,054.08/4,080,992.80
  6. Step 6: Final answer
    x = 3,434,103.60

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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.