Home / 4,268,214.40-6,400,132.80-1,276,009.60

Finding the Fourth Proportional to 4,268,214.40, 6,400,132.80 and 1,276,009.60

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Solution

The fourth proportional to 4,268,214.40, 6,400,132.80 and 1,276,009.60 is: 1,913,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268,214.40 : 6,400,132.80 = 1,276,009.60 : x
  2. Step 2: Convert to fraction form
    4,268,214.40/6,400,132.80 = 1,276,009.60/x
  3. Step 3: Cross multiply
    4,268,214.40x = 6,400,132.80 × 1,276,009.60
  4. Step 4: Simplify right side
    4,268,214.40x = 8,166,630,894,074.88
  5. Step 5: Solve for x
    x = 8,166,630,894,074.88/4,268,214.40
  6. Step 6: Final answer
    x = 1,913,360.04

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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.