Home / 2,219,888.84-3,328,484.87-870,434.69

Finding the Fourth Proportional to 2,219,888.84, 3,328,484.87 and 870,434.69

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Solution

The fourth proportional to 2,219,888.84, 3,328,484.87 and 870,434.69 is: 1,305,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,888.84 : 3,328,484.87 = 870,434.69 : x
  2. Step 2: Convert to fraction form
    2,219,888.84/3,328,484.87 = 870,434.69/x
  3. Step 3: Cross multiply
    2,219,888.84x = 3,328,484.87 × 870,434.69
  4. Step 4: Simplify right side
    2,219,888.84x = 2,897,228,674,993.54
  5. Step 5: Solve for x
    x = 2,897,228,674,993.54/2,219,888.84
  6. Step 6: Final answer
    x = 1,305,123.31

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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.