Home / 5,243,787.13-7,236,621.67-2,889,080.58

Finding the Fourth Proportional to 5,243,787.13, 7,236,621.67 and 2,889,080.58

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Solution

The fourth proportional to 5,243,787.13, 7,236,621.67 and 2,889,080.58 is: 3,987,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243,787.13 : 7,236,621.67 = 2,889,080.58 : x
  2. Step 2: Convert to fraction form
    5,243,787.13/7,236,621.67 = 2,889,080.58/x
  3. Step 3: Cross multiply
    5,243,787.13x = 7,236,621.67 × 2,889,080.58
  4. Step 4: Simplify right side
    5,243,787.13x = 20,907,183,131,604.17
  5. Step 5: Solve for x
    x = 20,907,183,131,604.17/5,243,787.13
  6. Step 6: Final answer
    x = 3,987,038.87

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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.