Home / 1,982,174.70-2,780,643.30-1,982,174.70

Finding the Fourth Proportional to 1,982,174.70, 2,780,643.30 and 1,982,174.70

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Solution

The fourth proportional to 1,982,174.70, 2,780,643.30 and 1,982,174.70 is: 2,780,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,174.70 : 2,780,643.30 = 1,982,174.70 : x
  2. Step 2: Convert to fraction form
    1,982,174.70/2,780,643.30 = 1,982,174.70/x
  3. Step 3: Cross multiply
    1,982,174.70x = 2,780,643.30 × 1,982,174.70
  4. Step 4: Simplify right side
    1,982,174.70x = 5,511,720,798,984.51
  5. Step 5: Solve for x
    x = 5,511,720,798,984.51/1,982,174.70
  6. Step 6: Final answer
    x = 2,780,643.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.