Home / 1,840,248.78-2,541,668.84-1,227,336.54

Finding the Fourth Proportional to 1,840,248.78, 2,541,668.84 and 1,227,336.54

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Solution

The fourth proportional to 1,840,248.78, 2,541,668.84 and 1,227,336.54 is: 1,695,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,248.78 : 2,541,668.84 = 1,227,336.54 : x
  2. Step 2: Convert to fraction form
    1,840,248.78/2,541,668.84 = 1,227,336.54/x
  3. Step 3: Cross multiply
    1,840,248.78x = 2,541,668.84 × 1,227,336.54
  4. Step 4: Simplify right side
    1,840,248.78x = 3,119,483,039,911.41
  5. Step 5: Solve for x
    x = 3,119,483,039,911.41/1,840,248.78
  6. Step 6: Final answer
    x = 1,695,142.02

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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.