Home / 2,219,881.40-3,328,473.72-870,427.25

Finding the Fourth Proportional to 2,219,881.40, 3,328,473.72 and 870,427.25

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Solution

The fourth proportional to 2,219,881.40, 3,328,473.72 and 870,427.25 is: 1,305,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,881.40 : 3,328,473.72 = 870,427.25 : x
  2. Step 2: Convert to fraction form
    2,219,881.40/3,328,473.72 = 870,427.25/x
  3. Step 3: Cross multiply
    2,219,881.40x = 3,328,473.72 × 870,427.25
  4. Step 4: Simplify right side
    2,219,881.40x = 2,897,194,226,796.87
  5. Step 5: Solve for x
    x = 2,897,194,226,796.87/2,219,881.40
  6. Step 6: Final answer
    x = 1,305,112.17

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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.