Home / 2,347,929.21-3,523,472.10-831,606.78

Finding the Fourth Proportional to 2,347,929.21, 3,523,472.10 and 831,606.78

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Solution

The fourth proportional to 2,347,929.21, 3,523,472.10 and 831,606.78 is: 1,247,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347,929.21 : 3,523,472.10 = 831,606.78 : x
  2. Step 2: Convert to fraction form
    2,347,929.21/3,523,472.10 = 831,606.78/x
  3. Step 3: Cross multiply
    2,347,929.21x = 3,523,472.10 × 831,606.78
  4. Step 4: Simplify right side
    2,347,929.21x = 2,930,143,287,500.84
  5. Step 5: Solve for x
    x = 2,930,143,287,500.84/2,347,929.21
  6. Step 6: Final answer
    x = 1,247,969.18

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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.