Home / 3,890,428.20-5,831,495.10-1,493,346.60

Finding the Fourth Proportional to 3,890,428.20, 5,831,495.10 and 1,493,346.60

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Solution

The fourth proportional to 3,890,428.20, 5,831,495.10 and 1,493,346.60 is: 2,238,427.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,428.20 : 5,831,495.10 = 1,493,346.60 : x
  2. Step 2: Convert to fraction form
    3,890,428.20/5,831,495.10 = 1,493,346.60/x
  3. Step 3: Cross multiply
    3,890,428.20x = 5,831,495.10 × 1,493,346.60
  4. Step 4: Simplify right side
    3,890,428.20x = 8,708,443,380,501.66
  5. Step 5: Solve for x
    x = 8,708,443,380,501.66/3,890,428.20
  6. Step 6: Final answer
    x = 2,238,427.99

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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.