Home / 1,889,777.13-2,607,958.05-1,074,015.21

Finding the Fourth Proportional to 1,889,777.13, 2,607,958.05 and 1,074,015.21

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Solution

The fourth proportional to 1,889,777.13, 2,607,958.05 and 1,074,015.21 is: 1,482,178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,777.13 : 2,607,958.05 = 1,074,015.21 : x
  2. Step 2: Convert to fraction form
    1,889,777.13/2,607,958.05 = 1,074,015.21/x
  3. Step 3: Cross multiply
    1,889,777.13x = 2,607,958.05 × 1,074,015.21
  4. Step 4: Simplify right side
    1,889,777.13x = 2,800,986,612,741.94
  5. Step 5: Solve for x
    x = 2,800,986,612,741.94/1,889,777.13
  6. Step 6: Final answer
    x = 1,482,178.28

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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.