Home / 2,178,300.36-3,267,761.58-682,509

Finding the Fourth Proportional to 2,178,300.36, 3,267,761.58 and 682,509

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Solution

The fourth proportional to 2,178,300.36, 3,267,761.58 and 682,509 is: 1,023,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,300.36 : 3,267,761.58 = 682,509 : x
  2. Step 2: Convert to fraction form
    2,178,300.36/3,267,761.58 = 682,509/x
  3. Step 3: Cross multiply
    2,178,300.36x = 3,267,761.58 × 682,509
  4. Step 4: Simplify right side
    2,178,300.36x = 2,230,276,688,204.22
  5. Step 5: Solve for x
    x = 2,230,276,688,204.22/2,178,300.36
  6. Step 6: Final answer
    x = 1,023,860.96

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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.