Home / 3,856,901.27-5,322,165.95-2,137,875.53

Finding the Fourth Proportional to 3,856,901.27, 5,322,165.95 and 2,137,875.53

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Solution

The fourth proportional to 3,856,901.27, 5,322,165.95 and 2,137,875.53 is: 2,950,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,901.27 : 5,322,165.95 = 2,137,875.53 : x
  2. Step 2: Convert to fraction form
    3,856,901.27/5,322,165.95 = 2,137,875.53/x
  3. Step 3: Cross multiply
    3,856,901.27x = 5,322,165.95 × 2,137,875.53
  4. Step 4: Simplify right side
    3,856,901.27x = 11,378,128,329,838.06
  5. Step 5: Solve for x
    x = 11,378,128,329,838.06/3,856,901.27
  6. Step 6: Final answer
    x = 2,950,069.90

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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.