Home / 3,976,869.98-5,486,204.31-2,688,160.22

Finding the Fourth Proportional to 3,976,869.98, 5,486,204.31 and 2,688,160.22

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Solution

The fourth proportional to 3,976,869.98, 5,486,204.31 and 2,688,160.22 is: 3,708,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,869.98 : 5,486,204.31 = 2,688,160.22 : x
  2. Step 2: Convert to fraction form
    3,976,869.98/5,486,204.31 = 2,688,160.22/x
  3. Step 3: Cross multiply
    3,976,869.98x = 5,486,204.31 × 2,688,160.22
  4. Step 4: Simplify right side
    3,976,869.98x = 14,747,796,184,934.55
  5. Step 5: Solve for x
    x = 14,747,796,184,934.55/3,976,869.98
  6. Step 6: Final answer
    x = 3,708,392.85

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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.