Home / 2,580,345.82-3,870,572.03-938,966.77

Finding the Fourth Proportional to 2,580,345.82, 3,870,572.03 and 938,966.77

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Solution

The fourth proportional to 2,580,345.82, 3,870,572.03 and 938,966.77 is: 1,408,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,345.82 : 3,870,572.03 = 938,966.77 : x
  2. Step 2: Convert to fraction form
    2,580,345.82/3,870,572.03 = 938,966.77/x
  3. Step 3: Cross multiply
    2,580,345.82x = 3,870,572.03 × 938,966.77
  4. Step 4: Simplify right side
    2,580,345.82x = 3,634,338,493,013.75
  5. Step 5: Solve for x
    x = 3,634,338,493,013.75/2,580,345.82
  6. Step 6: Final answer
    x = 1,408,469.54

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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.