Home / 5,538,362.62-8,307,477.09-1,439,320.63

Finding the Fourth Proportional to 5,538,362.62, 8,307,477.09 and 1,439,320.63

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Solution

The fourth proportional to 5,538,362.62, 8,307,477.09 and 1,439,320.63 is: 2,158,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538,362.62 : 8,307,477.09 = 1,439,320.63 : x
  2. Step 2: Convert to fraction form
    5,538,362.62/8,307,477.09 = 1,439,320.63/x
  3. Step 3: Cross multiply
    5,538,362.62x = 8,307,477.09 × 1,439,320.63
  4. Step 4: Simplify right side
    5,538,362.62x = 11,957,123,158,889.37
  5. Step 5: Solve for x
    x = 11,957,123,158,889.37/5,538,362.62
  6. Step 6: Final answer
    x = 2,158,963.57

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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.