Home / 2,848,378.45-3,930,772.89-1,559,338.78

Finding the Fourth Proportional to 2,848,378.45, 3,930,772.89 and 1,559,338.78

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Solution

The fourth proportional to 2,848,378.45, 3,930,772.89 and 1,559,338.78 is: 2,151,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848,378.45 : 3,930,772.89 = 1,559,338.78 : x
  2. Step 2: Convert to fraction form
    2,848,378.45/3,930,772.89 = 1,559,338.78/x
  3. Step 3: Cross multiply
    2,848,378.45x = 3,930,772.89 × 1,559,338.78
  4. Step 4: Simplify right side
    2,848,378.45x = 6,129,406,602,749.68
  5. Step 5: Solve for x
    x = 6,129,406,602,749.68/2,848,378.45
  6. Step 6: Final answer
    x = 2,151,893.34

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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.