Home / 2,115,015.12-3,172,507.56-517,601.16

Finding the Fourth Proportional to 2,115,015.12, 3,172,507.56 and 517,601.16

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Solution

The fourth proportional to 2,115,015.12, 3,172,507.56 and 517,601.16 is: 776,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,015.12 : 3,172,507.56 = 517,601.16 : x
  2. Step 2: Convert to fraction form
    2,115,015.12/3,172,507.56 = 517,601.16/x
  3. Step 3: Cross multiply
    2,115,015.12x = 3,172,507.56 × 517,601.16
  4. Step 4: Simplify right side
    2,115,015.12x = 1,642,093,593,164.77
  5. Step 5: Solve for x
    x = 1,642,093,593,164.77/2,115,015.12
  6. Step 6: Final answer
    x = 776,398.04

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1.5x scale

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.