Home / 6,849,230.67-10,275,318.38-1,991,621.58

Finding the Fourth Proportional to 6,849,230.67, 10,275,318.38 and 1,991,621.58

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Solution

The fourth proportional to 6,849,230.67, 10,275,318.38 and 1,991,621.58 is: 2,987,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849,230.67 : 10,275,318.38 = 1,991,621.58 : x
  2. Step 2: Convert to fraction form
    6,849,230.67/10,275,318.38 = 1,991,621.58/x
  3. Step 3: Cross multiply
    6,849,230.67x = 10,275,318.38 × 1,991,621.58
  4. Step 4: Simplify right side
    6,849,230.67x = 20,464,545,831,957.70
  5. Step 5: Solve for x
    x = 20,464,545,831,957.70/6,849,230.67
  6. Step 6: Final answer
    x = 2,987,860.51

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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.