Home / 2,221,844-3,333,334.32-645,908

Finding the Fourth Proportional to 2,221,844, 3,333,334.32 and 645,908

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Solution

The fourth proportional to 2,221,844, 3,333,334.32 and 645,908 is: 969,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,844 : 3,333,334.32 = 645,908 : x
  2. Step 2: Convert to fraction form
    2,221,844/3,333,334.32 = 645,908/x
  3. Step 3: Cross multiply
    2,221,844x = 3,333,334.32 × 645,908
  4. Step 4: Simplify right side
    2,221,844x = 2,153,027,303,962.56
  5. Step 5: Solve for x
    x = 2,153,027,303,962.56/2,221,844
  6. Step 6: Final answer
    x = 969,027.22

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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.