Home / 1,542,514.59-2,128,615.20-854,145.81

Finding the Fourth Proportional to 1,542,514.59, 2,128,615.20 and 854,145.81

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Solution

The fourth proportional to 1,542,514.59, 2,128,615.20 and 854,145.81 is: 1,178,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,514.59 : 2,128,615.20 = 854,145.81 : x
  2. Step 2: Convert to fraction form
    1,542,514.59/2,128,615.20 = 854,145.81/x
  3. Step 3: Cross multiply
    1,542,514.59x = 2,128,615.20 × 854,145.81
  4. Step 4: Simplify right side
    1,542,514.59x = 1,818,147,754,182.31
  5. Step 5: Solve for x
    x = 1,818,147,754,182.31/1,542,514.59
  6. Step 6: Final answer
    x = 1,178,690.80

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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.