Home / 1,976,921.46-2,965,838.22-839,720.34

Finding the Fourth Proportional to 1,976,921.46, 2,965,838.22 and 839,720.34

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Solution

The fourth proportional to 1,976,921.46, 2,965,838.22 and 839,720.34 is: 1,259,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,921.46 : 2,965,838.22 = 839,720.34 : x
  2. Step 2: Convert to fraction form
    1,976,921.46/2,965,838.22 = 839,720.34/x
  3. Step 3: Cross multiply
    1,976,921.46x = 2,965,838.22 × 839,720.34
  4. Step 4: Simplify right side
    1,976,921.46x = 2,490,474,678,483.40
  5. Step 5: Solve for x
    x = 2,490,474,678,483.40/1,976,921.46
  6. Step 6: Final answer
    x = 1,259,774.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.