Home / 6,400,260.99-9,605,435.56-2,808,507.15

Finding the Fourth Proportional to 6,400,260.99, 9,605,435.56 and 2,808,507.15

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Solution

The fourth proportional to 6,400,260.99, 9,605,435.56 and 2,808,507.15 is: 4,214,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,260.99 : 9,605,435.56 = 2,808,507.15 : x
  2. Step 2: Convert to fraction form
    6,400,260.99/9,605,435.56 = 2,808,507.15/x
  3. Step 3: Cross multiply
    6,400,260.99x = 9,605,435.56 × 2,808,507.15
  4. Step 4: Simplify right side
    6,400,260.99x = 26,976,934,442,102.98
  5. Step 5: Solve for x
    x = 26,976,934,442,102.98/6,400,260.99
  6. Step 6: Final answer
    x = 4,214,974.12

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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.