Home / 6,940,954.48-9,578,450.61-3,999,690.98

Finding the Fourth Proportional to 6,940,954.48, 9,578,450.61 and 3,999,690.98

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Solution

The fourth proportional to 6,940,954.48, 9,578,450.61 and 3,999,690.98 is: 5,519,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940,954.48 : 9,578,450.61 = 3,999,690.98 : x
  2. Step 2: Convert to fraction form
    6,940,954.48/9,578,450.61 = 3,999,690.98/x
  3. Step 3: Cross multiply
    6,940,954.48x = 9,578,450.61 × 3,999,690.98
  4. Step 4: Simplify right side
    6,940,954.48x = 38,310,842,549,098.22
  5. Step 5: Solve for x
    x = 38,310,842,549,098.22/6,940,954.48
  6. Step 6: Final answer
    x = 5,519,535.20

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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.