Home / 1,415,142.41-2,119,479.82-1,110,843.90

Finding the Fourth Proportional to 1,415,142.41, 2,119,479.82 and 1,110,843.90

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Solution

The fourth proportional to 1,415,142.41, 2,119,479.82 and 1,110,843.90 is: 1,663,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,142.41 : 2,119,479.82 = 1,110,843.90 : x
  2. Step 2: Convert to fraction form
    1,415,142.41/2,119,479.82 = 1,110,843.90/x
  3. Step 3: Cross multiply
    1,415,142.41x = 2,119,479.82 × 1,110,843.90
  4. Step 4: Simplify right side
    1,415,142.41x = 2,354,411,226,442.99
  5. Step 5: Solve for x
    x = 2,354,411,226,442.99/1,415,142.41
  6. Step 6: Final answer
    x = 1,663,727.42

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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.