Home / 4,785,843.22-7,172,777.90-2,390,356.51

Finding the Fourth Proportional to 4,785,843.22, 7,172,777.90 and 2,390,356.51

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Solution

The fourth proportional to 4,785,843.22, 7,172,777.90 and 2,390,356.51 is: 3,582,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,843.22 : 7,172,777.90 = 2,390,356.51 : x
  2. Step 2: Convert to fraction form
    4,785,843.22/7,172,777.90 = 2,390,356.51/x
  3. Step 3: Cross multiply
    4,785,843.22x = 7,172,777.90 × 2,390,356.51
  4. Step 4: Simplify right side
    4,785,843.22x = 17,145,496,336,093.07
  5. Step 5: Solve for x
    x = 17,145,496,336,093.07/4,785,843.22
  6. Step 6: Final answer
    x = 3,582,544.51

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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.