Home / 3,286,204.80-4,921,012.80-2,158,166.40

Finding the Fourth Proportional to 3,286,204.80, 4,921,012.80 and 2,158,166.40

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Solution

The fourth proportional to 3,286,204.80, 4,921,012.80 and 2,158,166.40 is: 3,231,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,204.80 : 4,921,012.80 = 2,158,166.40 : x
  2. Step 2: Convert to fraction form
    3,286,204.80/4,921,012.80 = 2,158,166.40/x
  3. Step 3: Cross multiply
    3,286,204.80x = 4,921,012.80 × 2,158,166.40
  4. Step 4: Simplify right side
    3,286,204.80x = 10,620,364,478,929.92
  5. Step 5: Solve for x
    x = 10,620,364,478,929.92/3,286,204.80
  6. Step 6: Final answer
    x = 3,231,802.38

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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.