Home / 1,542,535.67-2,128,672.55-854,193.89

Finding the Fourth Proportional to 1,542,535.67, 2,128,672.55 and 854,193.89

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Solution

The fourth proportional to 1,542,535.67, 2,128,672.55 and 854,193.89 is: 1,178,772.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,535.67 : 2,128,672.55 = 854,193.89 : x
  2. Step 2: Convert to fraction form
    1,542,535.67/2,128,672.55 = 854,193.89/x
  3. Step 3: Cross multiply
    1,542,535.67x = 2,128,672.55 × 854,193.89
  4. Step 4: Simplify right side
    1,542,535.67x = 1,818,299,071,106.39
  5. Step 5: Solve for x
    x = 1,818,299,071,106.39/1,542,535.67
  6. Step 6: Final answer
    x = 1,178,772.79

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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.