Home / 2,788,764.12-4,182,825.42-869,822.28

Finding the Fourth Proportional to 2,788,764.12, 4,182,825.42 and 869,822.28

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Solution

The fourth proportional to 2,788,764.12, 4,182,825.42 and 869,822.28 is: 1,304,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,764.12 : 4,182,825.42 = 869,822.28 : x
  2. Step 2: Convert to fraction form
    2,788,764.12/4,182,825.42 = 869,822.28/x
  3. Step 3: Cross multiply
    2,788,764.12x = 4,182,825.42 × 869,822.28
  4. Step 4: Simplify right side
    2,788,764.12x = 3,638,314,743,666.36
  5. Step 5: Solve for x
    x = 3,638,314,743,666.36/2,788,764.12
  6. Step 6: Final answer
    x = 1,304,633.37

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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.