Home / 2,881,658.70-3,976,581.54-1,658,153.40

Finding the Fourth Proportional to 2,881,658.70, 3,976,581.54 and 1,658,153.40

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Solution

The fourth proportional to 2,881,658.70, 3,976,581.54 and 1,658,153.40 is: 2,288,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881,658.70 : 3,976,581.54 = 1,658,153.40 : x
  2. Step 2: Convert to fraction form
    2,881,658.70/3,976,581.54 = 1,658,153.40/x
  3. Step 3: Cross multiply
    2,881,658.70x = 3,976,581.54 × 1,658,153.40
  4. Step 4: Simplify right side
    2,881,658.70x = 6,593,782,200,928.24
  5. Step 5: Solve for x
    x = 6,593,782,200,928.24/2,881,658.70
  6. Step 6: Final answer
    x = 2,288,189.85

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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.