Home / 1,978,977-2,730,989.10-1,119,519

Finding the Fourth Proportional to 1,978,977, 2,730,989.10 and 1,119,519

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Solution

The fourth proportional to 1,978,977, 2,730,989.10 and 1,119,519 is: 1,544,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,977 : 2,730,989.10 = 1,119,519 : x
  2. Step 2: Convert to fraction form
    1,978,977/2,730,989.10 = 1,119,519/x
  3. Step 3: Cross multiply
    1,978,977x = 2,730,989.10 × 1,119,519
  4. Step 4: Simplify right side
    1,978,977x = 3,057,394,186,242.90
  5. Step 5: Solve for x
    x = 3,057,394,186,242.90/1,978,977
  6. Step 6: Final answer
    x = 1,544,936.70

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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.