Home / 2,751,665.57-4,128,005.76-905,281.37

Finding the Fourth Proportional to 2,751,665.57, 4,128,005.76 and 905,281.37

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Solution

The fourth proportional to 2,751,665.57, 4,128,005.76 and 905,281.37 is: 1,358,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,665.57 : 4,128,005.76 = 905,281.37 : x
  2. Step 2: Convert to fraction form
    2,751,665.57/4,128,005.76 = 905,281.37/x
  3. Step 3: Cross multiply
    2,751,665.57x = 4,128,005.76 × 905,281.37
  4. Step 4: Simplify right side
    2,751,665.57x = 3,737,006,689,140.66
  5. Step 5: Solve for x
    x = 3,737,006,689,140.66/2,751,665.57
  6. Step 6: Final answer
    x = 1,358,088.98

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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.