Home / 1,766,476.40-2,646,604.20-1,449,215.60

Finding the Fourth Proportional to 1,766,476.40, 2,646,604.20 and 1,449,215.60

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Solution

The fourth proportional to 1,766,476.40, 2,646,604.20 and 1,449,215.60 is: 2,171,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,476.40 : 2,646,604.20 = 1,449,215.60 : x
  2. Step 2: Convert to fraction form
    1,766,476.40/2,646,604.20 = 1,449,215.60/x
  3. Step 3: Cross multiply
    1,766,476.40x = 2,646,604.20 × 1,449,215.60
  4. Step 4: Simplify right side
    1,766,476.40x = 3,835,500,093,665.52
  5. Step 5: Solve for x
    x = 3,835,500,093,665.52/1,766,476.40
  6. Step 6: Final answer
    x = 2,171,271.63

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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.