Home / 2,753,999.20-4,130,998.80-860,737.60

Finding the Fourth Proportional to 2,753,999.20, 4,130,998.80 and 860,737.60

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Solution

The fourth proportional to 2,753,999.20, 4,130,998.80 and 860,737.60 is: 1,291,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753,999.20 : 4,130,998.80 = 860,737.60 : x
  2. Step 2: Convert to fraction form
    2,753,999.20/4,130,998.80 = 860,737.60/x
  3. Step 3: Cross multiply
    2,753,999.20x = 4,130,998.80 × 860,737.60
  4. Step 4: Simplify right side
    2,753,999.20x = 3,555,705,992,714.88
  5. Step 5: Solve for x
    x = 3,555,705,992,714.88/2,753,999.20
  6. Step 6: Final answer
    x = 1,291,106.40

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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.