Home / 5,112,585.87-7,666,965.05-2,194,310.31

Finding the Fourth Proportional to 5,112,585.87, 7,666,965.05 and 2,194,310.31

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Solution

The fourth proportional to 5,112,585.87, 7,666,965.05 and 2,194,310.31 is: 3,290,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,585.87 : 7,666,965.05 = 2,194,310.31 : x
  2. Step 2: Convert to fraction form
    5,112,585.87/7,666,965.05 = 2,194,310.31/x
  3. Step 3: Cross multiply
    5,112,585.87x = 7,666,965.05 × 2,194,310.31
  4. Step 4: Simplify right side
    5,112,585.87x = 16,823,700,444,653.11
  5. Step 5: Solve for x
    x = 16,823,700,444,653.11/5,112,585.87
  6. Step 6: Final answer
    x = 3,290,644.08

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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.