Home / 3,852,790.80-5,780,914.20-1,330,256.40

Finding the Fourth Proportional to 3,852,790.80, 5,780,914.20 and 1,330,256.40

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Solution

The fourth proportional to 3,852,790.80, 5,780,914.20 and 1,330,256.40 is: 1,995,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852,790.80 : 5,780,914.20 = 1,330,256.40 : x
  2. Step 2: Convert to fraction form
    3,852,790.80/5,780,914.20 = 1,330,256.40/x
  3. Step 3: Cross multiply
    3,852,790.80x = 5,780,914.20 × 1,330,256.40
  4. Step 4: Simplify right side
    3,852,790.80x = 7,690,098,112,400.88
  5. Step 5: Solve for x
    x = 7,690,098,112,400.88/3,852,790.80
  6. Step 6: Final answer
    x = 1,995,981.23

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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.