Home / 1,769,120.88-2,440,799.48-1,441,871.16

Finding the Fourth Proportional to 1,769,120.88, 2,440,799.48 and 1,441,871.16

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Solution

The fourth proportional to 1,769,120.88, 2,440,799.48 and 1,441,871.16 is: 1,989,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,120.88 : 2,440,799.48 = 1,441,871.16 : x
  2. Step 2: Convert to fraction form
    1,769,120.88/2,440,799.48 = 1,441,871.16/x
  3. Step 3: Cross multiply
    1,769,120.88x = 2,440,799.48 × 1,441,871.16
  4. Step 4: Simplify right side
    1,769,120.88x = 3,519,318,377,555.00
  5. Step 5: Solve for x
    x = 3,519,318,377,555.00/1,769,120.88
  6. Step 6: Final answer
    x = 1,989,303.51

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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.