Home / 4,009,806.32-6,012,719.52-1,276,997.60

Finding the Fourth Proportional to 4,009,806.32, 6,012,719.52 and 1,276,997.60

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Solution

The fourth proportional to 4,009,806.32, 6,012,719.52 and 1,276,997.60 is: 1,914,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009,806.32 : 6,012,719.52 = 1,276,997.60 : x
  2. Step 2: Convert to fraction form
    4,009,806.32/6,012,719.52 = 1,276,997.60/x
  3. Step 3: Cross multiply
    4,009,806.32x = 6,012,719.52 × 1,276,997.60
  4. Step 4: Simplify right side
    4,009,806.32x = 7,678,228,396,513.15
  5. Step 5: Solve for x
    x = 7,678,228,396,513.15/4,009,806.32
  6. Step 6: Final answer
    x = 1,914,862.66

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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.