Home / 1,912,362.62-2,867,495.07-758,440.36

Finding the Fourth Proportional to 1,912,362.62, 2,867,495.07 and 758,440.36

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Solution

The fourth proportional to 1,912,362.62, 2,867,495.07 and 758,440.36 is: 1,137,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,362.62 : 2,867,495.07 = 758,440.36 : x
  2. Step 2: Convert to fraction form
    1,912,362.62/2,867,495.07 = 758,440.36/x
  3. Step 3: Cross multiply
    1,912,362.62x = 2,867,495.07 × 758,440.36
  4. Step 4: Simplify right side
    1,912,362.62x = 2,174,823,999,617.55
  5. Step 5: Solve for x
    x = 2,174,823,999,617.55/1,912,362.62
  6. Step 6: Final answer
    x = 1,137,244.57

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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.