Home / 5,338,398.45-8,005,943.05-1,926,243.78

Finding the Fourth Proportional to 5,338,398.45, 8,005,943.05 and 1,926,243.78

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Solution

The fourth proportional to 5,338,398.45, 8,005,943.05 and 1,926,243.78 is: 2,888,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,398.45 : 8,005,943.05 = 1,926,243.78 : x
  2. Step 2: Convert to fraction form
    5,338,398.45/8,005,943.05 = 1,926,243.78/x
  3. Step 3: Cross multiply
    5,338,398.45x = 8,005,943.05 × 1,926,243.78
  4. Step 4: Simplify right side
    5,338,398.45x = 15,421,397,993,465.51
  5. Step 5: Solve for x
    x = 15,421,397,993,465.51/5,338,398.45
  6. Step 6: Final answer
    x = 2,888,768.63

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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.