Home / 3,081,909.16-4,623,066.65-807,489.30

Finding the Fourth Proportional to 3,081,909.16, 4,623,066.65 and 807,489.30

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Solution

The fourth proportional to 3,081,909.16, 4,623,066.65 and 807,489.30 is: 1,211,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,909.16 : 4,623,066.65 = 807,489.30 : x
  2. Step 2: Convert to fraction form
    3,081,909.16/4,623,066.65 = 807,489.30/x
  3. Step 3: Cross multiply
    3,081,909.16x = 4,623,066.65 × 807,489.30
  4. Step 4: Simplify right side
    3,081,909.16x = 3,733,076,867,874.94
  5. Step 5: Solve for x
    x = 3,733,076,867,874.94/3,081,909.16
  6. Step 6: Final answer
    x = 1,211,287.12

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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.