Home / 5,178,347.36-7,766,273.73-1,584,145.43

Finding the Fourth Proportional to 5,178,347.36, 7,766,273.73 and 1,584,145.43

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Solution

The fourth proportional to 5,178,347.36, 7,766,273.73 and 1,584,145.43 is: 2,375,836.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,347.36 : 7,766,273.73 = 1,584,145.43 : x
  2. Step 2: Convert to fraction form
    5,178,347.36/7,766,273.73 = 1,584,145.43/x
  3. Step 3: Cross multiply
    5,178,347.36x = 7,766,273.73 × 1,584,145.43
  4. Step 4: Simplify right side
    5,178,347.36x = 12,302,906,998,677.19
  5. Step 5: Solve for x
    x = 12,302,906,998,677.19/5,178,347.36
  6. Step 6: Final answer
    x = 2,375,836.57

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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.