Home / 2,142,930.84-3,214,709.95-1,005,808.54

Finding the Fourth Proportional to 2,142,930.84, 3,214,709.95 and 1,005,808.54

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Solution

The fourth proportional to 2,142,930.84, 3,214,709.95 and 1,005,808.54 is: 1,508,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,930.84 : 3,214,709.95 = 1,005,808.54 : x
  2. Step 2: Convert to fraction form
    2,142,930.84/3,214,709.95 = 1,005,808.54/x
  3. Step 3: Cross multiply
    2,142,930.84x = 3,214,709.95 × 1,005,808.54
  4. Step 4: Simplify right side
    2,142,930.84x = 3,233,382,721,523.99
  5. Step 5: Solve for x
    x = 3,233,382,721,523.99/2,142,930.84
  6. Step 6: Final answer
    x = 1,508,860.05

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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.