Home / 6,622,140-9,924,899.76-2,831,167.20

Finding the Fourth Proportional to 6,622,140, 9,924,899.76 and 2,831,167.20

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Solution

The fourth proportional to 6,622,140, 9,924,899.76 and 2,831,167.20 is: 4,243,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622,140 : 9,924,899.76 = 2,831,167.20 : x
  2. Step 2: Convert to fraction form
    6,622,140/9,924,899.76 = 2,831,167.20/x
  3. Step 3: Cross multiply
    6,622,140x = 9,924,899.76 × 2,831,167.20
  4. Step 4: Simplify right side
    6,622,140x = 28,099,050,663,799.88
  5. Step 5: Solve for x
    x = 28,099,050,663,799.88/6,622,140
  6. Step 6: Final answer
    x = 4,243,197.92

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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.