Home / 2,032,961.42-2,805,491.10-1,115,198.11

Finding the Fourth Proportional to 2,032,961.42, 2,805,491.10 and 1,115,198.11

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Solution

The fourth proportional to 2,032,961.42, 2,805,491.10 and 1,115,198.11 is: 1,538,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032,961.42 : 2,805,491.10 = 1,115,198.11 : x
  2. Step 2: Convert to fraction form
    2,032,961.42/2,805,491.10 = 1,115,198.11/x
  3. Step 3: Cross multiply
    2,032,961.42x = 2,805,491.10 × 1,115,198.11
  4. Step 4: Simplify right side
    2,032,961.42x = 3,128,678,372,341.82
  5. Step 5: Solve for x
    x = 3,128,678,372,341.82/2,032,961.42
  6. Step 6: Final answer
    x = 1,538,975.77

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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.