Home / 2,115,216.65-3,172,015.28-900,033.17

Finding the Fourth Proportional to 2,115,216.65, 3,172,015.28 and 900,033.17

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Solution

The fourth proportional to 2,115,216.65, 3,172,015.28 and 900,033.17 is: 1,349,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,216.65 : 3,172,015.28 = 900,033.17 : x
  2. Step 2: Convert to fraction form
    2,115,216.65/3,172,015.28 = 900,033.17/x
  3. Step 3: Cross multiply
    2,115,216.65x = 3,172,015.28 × 900,033.17
  4. Step 4: Simplify right side
    2,115,216.65x = 2,854,918,967,746.84
  5. Step 5: Solve for x
    x = 2,854,918,967,746.84/2,115,216.65
  6. Step 6: Final answer
    x = 1,349,705.23

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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.