Home / 3,887,520.69-5,356,017.25-2,709,008.76

Finding the Fourth Proportional to 3,887,520.69, 5,356,017.25 and 2,709,008.76

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Solution

The fourth proportional to 3,887,520.69, 5,356,017.25 and 2,709,008.76 is: 3,732,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,520.69 : 5,356,017.25 = 2,709,008.76 : x
  2. Step 2: Convert to fraction form
    3,887,520.69/5,356,017.25 = 2,709,008.76/x
  3. Step 3: Cross multiply
    3,887,520.69x = 5,356,017.25 × 2,709,008.76
  4. Step 4: Simplify right side
    3,887,520.69x = 14,509,497,647,384.23
  5. Step 5: Solve for x
    x = 14,509,497,647,384.23/3,887,520.69
  6. Step 6: Final answer
    x = 3,732,326.79

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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.