Home / 5,134,582.53-7,085,724.39-2,811,621.51

Finding the Fourth Proportional to 5,134,582.53, 7,085,724.39 and 2,811,621.51

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Solution

The fourth proportional to 5,134,582.53, 7,085,724.39 and 2,811,621.51 is: 3,880,037.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,582.53 : 7,085,724.39 = 2,811,621.51 : x
  2. Step 2: Convert to fraction form
    5,134,582.53/7,085,724.39 = 2,811,621.51/x
  3. Step 3: Cross multiply
    5,134,582.53x = 7,085,724.39 × 2,811,621.51
  4. Step 4: Simplify right side
    5,134,582.53x = 19,922,375,108,855.62
  5. Step 5: Solve for x
    x = 19,922,375,108,855.62/5,134,582.53
  6. Step 6: Final answer
    x = 3,880,037.96

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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.