Home / 5,137,862.69-7,707,876.20-1,942,918.13

Finding the Fourth Proportional to 5,137,862.69, 7,707,876.20 and 1,942,918.13

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Solution

The fourth proportional to 5,137,862.69, 7,707,876.20 and 1,942,918.13 is: 2,914,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137,862.69 : 7,707,876.20 = 1,942,918.13 : x
  2. Step 2: Convert to fraction form
    5,137,862.69/7,707,876.20 = 1,942,918.13/x
  3. Step 3: Cross multiply
    5,137,862.69x = 7,707,876.20 × 1,942,918.13
  4. Step 4: Simplify right side
    5,137,862.69x = 14,975,772,412,775.51
  5. Step 5: Solve for x
    x = 14,975,772,412,775.51/5,137,862.69
  6. Step 6: Final answer
    x = 2,914,786.42

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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.