Home / 1,949,785.78-2,922,579.07-1,860,396.34

Finding the Fourth Proportional to 1,949,785.78, 2,922,579.07 and 1,860,396.34

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Solution

The fourth proportional to 1,949,785.78, 2,922,579.07 and 1,860,396.34 is: 2,788,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,785.78 : 2,922,579.07 = 1,860,396.34 : x
  2. Step 2: Convert to fraction form
    1,949,785.78/2,922,579.07 = 1,860,396.34/x
  3. Step 3: Cross multiply
    1,949,785.78x = 2,922,579.07 × 1,860,396.34
  4. Step 4: Simplify right side
    1,949,785.78x = 5,437,155,405,188.60
  5. Step 5: Solve for x
    x = 5,437,155,405,188.60/1,949,785.78
  6. Step 6: Final answer
    x = 2,788,591.17

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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.