Home / 5,227,148.51-7,838,954.34-1,987,916.60

Finding the Fourth Proportional to 5,227,148.51, 7,838,954.34 and 1,987,916.60

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Solution

The fourth proportional to 5,227,148.51, 7,838,954.34 and 1,987,916.60 is: 2,981,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227,148.51 : 7,838,954.34 = 1,987,916.60 : x
  2. Step 2: Convert to fraction form
    5,227,148.51/7,838,954.34 = 1,987,916.60/x
  3. Step 3: Cross multiply
    5,227,148.51x = 7,838,954.34 × 1,987,916.60
  4. Step 4: Simplify right side
    5,227,148.51x = 15,583,187,412,478.58
  5. Step 5: Solve for x
    x = 15,583,187,412,478.58/5,227,148.51
  6. Step 6: Final answer
    x = 2,981,202.35

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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.