Home / 4,374,657.20-6,561,985.80-2,772,023.60

Finding the Fourth Proportional to 4,374,657.20, 6,561,985.80 and 2,772,023.60

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Solution

The fourth proportional to 4,374,657.20, 6,561,985.80 and 2,772,023.60 is: 4,158,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374,657.20 : 6,561,985.80 = 2,772,023.60 : x
  2. Step 2: Convert to fraction form
    4,374,657.20/6,561,985.80 = 2,772,023.60/x
  3. Step 3: Cross multiply
    4,374,657.20x = 6,561,985.80 × 2,772,023.60
  4. Step 4: Simplify right side
    4,374,657.20x = 18,189,979,500,464.88
  5. Step 5: Solve for x
    x = 18,189,979,500,464.88/4,374,657.20
  6. Step 6: Final answer
    x = 4,158,035.40

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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.