Home / 5,101,386.69-7,040,231.78-2,809,546.77

Finding the Fourth Proportional to 5,101,386.69, 7,040,231.78 and 2,809,546.77

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Solution

The fourth proportional to 5,101,386.69, 7,040,231.78 and 2,809,546.77 is: 3,877,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,386.69 : 7,040,231.78 = 2,809,546.77 : x
  2. Step 2: Convert to fraction form
    5,101,386.69/7,040,231.78 = 2,809,546.77/x
  3. Step 3: Cross multiply
    5,101,386.69x = 7,040,231.78 × 2,809,546.77
  4. Step 4: Simplify right side
    5,101,386.69x = 19,779,860,457,550.35
  5. Step 5: Solve for x
    x = 19,779,860,457,550.35/5,101,386.69
  6. Step 6: Final answer
    x = 3,877,349.76

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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.