Home / 4,268,416.40-6,400,435.80-1,276,211.60

Finding the Fourth Proportional to 4,268,416.40, 6,400,435.80 and 1,276,211.60

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Solution

The fourth proportional to 4,268,416.40, 6,400,435.80 and 1,276,211.60 is: 1,913,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268,416.40 : 6,400,435.80 = 1,276,211.60 : x
  2. Step 2: Convert to fraction form
    4,268,416.40/6,400,435.80 = 1,276,211.60/x
  3. Step 3: Cross multiply
    4,268,416.40x = 6,400,435.80 × 1,276,211.60
  4. Step 4: Simplify right side
    4,268,416.40x = 8,168,310,413,015.28
  5. Step 5: Solve for x
    x = 8,168,310,413,015.28/4,268,416.40
  6. Step 6: Final answer
    x = 1,913,662.97

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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.