Home / 4,857,320.80-7,285,981.20-1,491,090.40

Finding the Fourth Proportional to 4,857,320.80, 7,285,981.20 and 1,491,090.40

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Solution

The fourth proportional to 4,857,320.80, 7,285,981.20 and 1,491,090.40 is: 2,236,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857,320.80 : 7,285,981.20 = 1,491,090.40 : x
  2. Step 2: Convert to fraction form
    4,857,320.80/7,285,981.20 = 1,491,090.40/x
  3. Step 3: Cross multiply
    4,857,320.80x = 7,285,981.20 × 1,491,090.40
  4. Step 4: Simplify right side
    4,857,320.80x = 10,864,056,621,900.48
  5. Step 5: Solve for x
    x = 10,864,056,621,900.48/4,857,320.80
  6. Step 6: Final answer
    x = 2,236,635.60

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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.