Home / 5,137,949.09-7,090,367.28-3,072,964.62

Finding the Fourth Proportional to 5,137,949.09, 7,090,367.28 and 3,072,964.62

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Solution

The fourth proportional to 5,137,949.09, 7,090,367.28 and 3,072,964.62 is: 4,240,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137,949.09 : 7,090,367.28 = 3,072,964.62 : x
  2. Step 2: Convert to fraction form
    5,137,949.09/7,090,367.28 = 3,072,964.62/x
  3. Step 3: Cross multiply
    5,137,949.09x = 7,090,367.28 × 3,072,964.62
  4. Step 4: Simplify right side
    5,137,949.09x = 21,788,447,826,596.32
  5. Step 5: Solve for x
    x = 21,788,447,826,596.32/5,137,949.09
  6. Step 6: Final answer
    x = 4,240,689.71

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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.