Home / 3,937,879-5,434,275.18-2,127,043

Finding the Fourth Proportional to 3,937,879, 5,434,275.18 and 2,127,043

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Solution

The fourth proportional to 3,937,879, 5,434,275.18 and 2,127,043 is: 2,935,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,879 : 5,434,275.18 = 2,127,043 : x
  2. Step 2: Convert to fraction form
    3,937,879/5,434,275.18 = 2,127,043/x
  3. Step 3: Cross multiply
    3,937,879x = 5,434,275.18 × 2,127,043
  4. Step 4: Simplify right side
    3,937,879x = 11,558,936,981,692.74
  5. Step 5: Solve for x
    x = 11,558,936,981,692.74/3,937,879
  6. Step 6: Final answer
    x = 2,935,320.51

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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.