Home / 2,009,872.39-3,015,274.91-661,986.63

Finding the Fourth Proportional to 2,009,872.39, 3,015,274.91 and 661,986.63

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Solution

The fourth proportional to 2,009,872.39, 3,015,274.91 and 661,986.63 is: 993,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,872.39 : 3,015,274.91 = 661,986.63 : x
  2. Step 2: Convert to fraction form
    2,009,872.39/3,015,274.91 = 661,986.63/x
  3. Step 3: Cross multiply
    2,009,872.39x = 3,015,274.91 × 661,986.63
  4. Step 4: Simplify right side
    2,009,872.39x = 1,996,071,676,194.45
  5. Step 5: Solve for x
    x = 1,996,071,676,194.45/2,009,872.39
  6. Step 6: Final answer
    x = 993,133.54

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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.