Home / 1,542,239.15-2,127,619.99-930,051.72

Finding the Fourth Proportional to 1,542,239.15, 2,127,619.99 and 930,051.72

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Solution

The fourth proportional to 1,542,239.15, 2,127,619.99 and 930,051.72 is: 1,283,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,239.15 : 2,127,619.99 = 930,051.72 : x
  2. Step 2: Convert to fraction form
    1,542,239.15/2,127,619.99 = 930,051.72/x
  3. Step 3: Cross multiply
    1,542,239.15x = 2,127,619.99 × 930,051.72
  4. Step 4: Simplify right side
    1,542,239.15x = 1,978,796,623,020.78
  5. Step 5: Solve for x
    x = 1,978,796,623,020.78/1,542,239.15
  6. Step 6: Final answer
    x = 1,283,067.30

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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.