Home / 1,991,891.35-2,748,186.93-1,176,383.66

Finding the Fourth Proportional to 1,991,891.35, 2,748,186.93 and 1,176,383.66

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Solution

The fourth proportional to 1,991,891.35, 2,748,186.93 and 1,176,383.66 is: 1,623,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,891.35 : 2,748,186.93 = 1,176,383.66 : x
  2. Step 2: Convert to fraction form
    1,991,891.35/2,748,186.93 = 1,176,383.66/x
  3. Step 3: Cross multiply
    1,991,891.35x = 2,748,186.93 × 1,176,383.66
  4. Step 4: Simplify right side
    1,991,891.35x = 3,232,922,189,748.07
  5. Step 5: Solve for x
    x = 3,232,922,189,748.07/1,991,891.35
  6. Step 6: Final answer
    x = 1,623,041.43

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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.