Home / 1,942,679.84-2,682,590.08-1,218,772

Finding the Fourth Proportional to 1,942,679.84, 2,682,590.08 and 1,218,772

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Solution

The fourth proportional to 1,942,679.84, 2,682,590.08 and 1,218,772 is: 1,682,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,679.84 : 2,682,590.08 = 1,218,772 : x
  2. Step 2: Convert to fraction form
    1,942,679.84/2,682,590.08 = 1,218,772/x
  3. Step 3: Cross multiply
    1,942,679.84x = 2,682,590.08 × 1,218,772
  4. Step 4: Simplify right side
    1,942,679.84x = 3,269,465,676,981.76
  5. Step 5: Solve for x
    x = 3,269,465,676,981.76/1,942,679.84
  6. Step 6: Final answer
    x = 1,682,966.80

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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.