Home / 6,831,000.80-10,246,501.20-1,782,311.30

Finding the Fourth Proportional to 6,831,000.80, 10,246,501.20 and 1,782,311.30

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Solution

The fourth proportional to 6,831,000.80, 10,246,501.20 and 1,782,311.30 is: 2,673,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831,000.80 : 10,246,501.20 = 1,782,311.30 : x
  2. Step 2: Convert to fraction form
    6,831,000.80/10,246,501.20 = 1,782,311.30/x
  3. Step 3: Cross multiply
    6,831,000.80x = 10,246,501.20 × 1,782,311.30
  4. Step 4: Simplify right side
    6,831,000.80x = 18,262,454,874,223.56
  5. Step 5: Solve for x
    x = 18,262,454,874,223.56/6,831,000.80
  6. Step 6: Final answer
    x = 2,673,466.95

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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.