Home / 2,153,386.82-3,231,572.01-856,406.28

Finding the Fourth Proportional to 2,153,386.82, 3,231,572.01 and 856,406.28

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Solution

The fourth proportional to 2,153,386.82, 3,231,572.01 and 856,406.28 is: 1,285,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,386.82 : 3,231,572.01 = 856,406.28 : x
  2. Step 2: Convert to fraction form
    2,153,386.82/3,231,572.01 = 856,406.28/x
  3. Step 3: Cross multiply
    2,153,386.82x = 3,231,572.01 × 856,406.28
  4. Step 4: Simplify right side
    2,153,386.82x = 2,767,538,563,636.22
  5. Step 5: Solve for x
    x = 2,767,538,563,636.22/2,153,386.82
  6. Step 6: Final answer
    x = 1,285,202.71

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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.