Home / 1,965,646.34-2,712,143.16-1,105,892.90

Finding the Fourth Proportional to 1,965,646.34, 2,712,143.16 and 1,105,892.90

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Solution

The fourth proportional to 1,965,646.34, 2,712,143.16 and 1,105,892.90 is: 1,525,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,646.34 : 2,712,143.16 = 1,105,892.90 : x
  2. Step 2: Convert to fraction form
    1,965,646.34/2,712,143.16 = 1,105,892.90/x
  3. Step 3: Cross multiply
    1,965,646.34x = 2,712,143.16 × 1,105,892.90
  4. Step 4: Simplify right side
    1,965,646.34x = 2,999,339,850,866.85
  5. Step 5: Solve for x
    x = 2,999,339,850,866.85/1,965,646.34
  6. Step 6: Final answer
    x = 1,525,879.71

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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.