Home / 5,642,450.65-7,788,965.37-3,809,391.69

Finding the Fourth Proportional to 5,642,450.65, 7,788,965.37 and 3,809,391.69

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Solution

The fourth proportional to 5,642,450.65, 7,788,965.37 and 3,809,391.69 is: 5,258,569.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642,450.65 : 7,788,965.37 = 3,809,391.69 : x
  2. Step 2: Convert to fraction form
    5,642,450.65/7,788,965.37 = 3,809,391.69/x
  3. Step 3: Cross multiply
    5,642,450.65x = 7,788,965.37 × 3,809,391.69
  4. Step 4: Simplify right side
    5,642,450.65x = 29,671,219,969,099.18
  5. Step 5: Solve for x
    x = 29,671,219,969,099.18/5,642,450.65
  6. Step 6: Final answer
    x = 5,258,569.69

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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.