Home / 3,120,455.20-4,680,682.80-1,772,096.80

Finding the Fourth Proportional to 3,120,455.20, 4,680,682.80 and 1,772,096.80

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Solution

The fourth proportional to 3,120,455.20, 4,680,682.80 and 1,772,096.80 is: 2,658,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,455.20 : 4,680,682.80 = 1,772,096.80 : x
  2. Step 2: Convert to fraction form
    3,120,455.20/4,680,682.80 = 1,772,096.80/x
  3. Step 3: Cross multiply
    3,120,455.20x = 4,680,682.80 × 1,772,096.80
  4. Step 4: Simplify right side
    3,120,455.20x = 8,294,623,011,695.04
  5. Step 5: Solve for x
    x = 8,294,623,011,695.04/3,120,455.20
  6. Step 6: Final answer
    x = 2,658,145.20

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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.