Home / 1,946,147.77-2,919,233.96-1,276,482.90

Finding the Fourth Proportional to 1,946,147.77, 2,919,233.96 and 1,276,482.90

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Solution

The fourth proportional to 1,946,147.77, 2,919,233.96 and 1,276,482.90 is: 1,914,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,147.77 : 2,919,233.96 = 1,276,482.90 : x
  2. Step 2: Convert to fraction form
    1,946,147.77/2,919,233.96 = 1,276,482.90/x
  3. Step 3: Cross multiply
    1,946,147.77x = 2,919,233.96 × 1,276,482.90
  4. Step 4: Simplify right side
    1,946,147.77x = 3,726,352,240,390.81
  5. Step 5: Solve for x
    x = 3,726,352,240,390.81/1,946,147.77
  6. Step 6: Final answer
    x = 1,914,732.42

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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.