Home / 1,464,382.11-2,021,089.12-1,005,119.39

Finding the Fourth Proportional to 1,464,382.11, 2,021,089.12 and 1,005,119.39

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Solution

The fourth proportional to 1,464,382.11, 2,021,089.12 and 1,005,119.39 is: 1,387,230.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,382.11 : 2,021,089.12 = 1,005,119.39 : x
  2. Step 2: Convert to fraction form
    1,464,382.11/2,021,089.12 = 1,005,119.39/x
  3. Step 3: Cross multiply
    1,464,382.11x = 2,021,089.12 × 1,005,119.39
  4. Step 4: Simplify right side
    1,464,382.11x = 2,031,435,858,404.44
  5. Step 5: Solve for x
    x = 2,031,435,858,404.44/1,464,382.11
  6. Step 6: Final answer
    x = 1,387,230.73

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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.