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Finding the Fourth Proportional to 2,600,227.40, 3,893,342.70 and 2,600,227.40

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Solution

The fourth proportional to 2,600,227.40, 3,893,342.70 and 2,600,227.40 is: 3,893,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,227.40 : 3,893,342.70 = 2,600,227.40 : x
  2. Step 2: Convert to fraction form
    2,600,227.40/3,893,342.70 = 2,600,227.40/x
  3. Step 3: Cross multiply
    2,600,227.40x = 3,893,342.70 × 2,600,227.40
  4. Step 4: Simplify right side
    2,600,227.40x = 10,123,576,366,129.98
  5. Step 5: Solve for x
    x = 10,123,576,366,129.98/2,600,227.40
  6. Step 6: Final answer
    x = 3,893,342.70

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1.5x scale

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.