Home / 1,811,666.78-2,500,131.21-995,904.84

Finding the Fourth Proportional to 1,811,666.78, 2,500,131.21 and 995,904.84

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Solution

The fourth proportional to 1,811,666.78, 2,500,131.21 and 995,904.84 is: 1,374,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,666.78 : 2,500,131.21 = 995,904.84 : x
  2. Step 2: Convert to fraction form
    1,811,666.78/2,500,131.21 = 995,904.84/x
  3. Step 3: Cross multiply
    1,811,666.78x = 2,500,131.21 × 995,904.84
  4. Step 4: Simplify right side
    1,811,666.78x = 2,489,892,772,674.06
  5. Step 5: Solve for x
    x = 2,489,892,772,674.06/1,811,666.78
  6. Step 6: Final answer
    x = 1,374,365.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.