Home / 6,481,318.25-9,721,980.62-1,688,995.37

Finding the Fourth Proportional to 6,481,318.25, 9,721,980.62 and 1,688,995.37

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Solution

The fourth proportional to 6,481,318.25, 9,721,980.62 and 1,688,995.37 is: 2,533,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481,318.25 : 9,721,980.62 = 1,688,995.37 : x
  2. Step 2: Convert to fraction form
    6,481,318.25/9,721,980.62 = 1,688,995.37/x
  3. Step 3: Cross multiply
    6,481,318.25x = 9,721,980.62 × 1,688,995.37
  4. Step 4: Simplify right side
    6,481,318.25x = 16,420,380,282,937.17
  5. Step 5: Solve for x
    x = 16,420,380,282,937.17/6,481,318.25
  6. Step 6: Final answer
    x = 2,533,493.90

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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.