Home / 2,188,367.29-3,020,450.75-1,283,240.89

Finding the Fourth Proportional to 2,188,367.29, 3,020,450.75 and 1,283,240.89

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Solution

The fourth proportional to 2,188,367.29, 3,020,450.75 and 1,283,240.89 is: 1,771,167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,367.29 : 3,020,450.75 = 1,283,240.89 : x
  2. Step 2: Convert to fraction form
    2,188,367.29/3,020,450.75 = 1,283,240.89/x
  3. Step 3: Cross multiply
    2,188,367.29x = 3,020,450.75 × 1,283,240.89
  4. Step 4: Simplify right side
    2,188,367.29x = 3,875,965,908,631.17
  5. Step 5: Solve for x
    x = 3,875,965,908,631.17/2,188,367.29
  6. Step 6: Final answer
    x = 1,771,167.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.