Home / 3,784,738.80-5,678,420.40-1,656,350.40

Finding the Fourth Proportional to 3,784,738.80, 5,678,420.40 and 1,656,350.40

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Solution

The fourth proportional to 3,784,738.80, 5,678,420.40 and 1,656,350.40 is: 2,485,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,738.80 : 5,678,420.40 = 1,656,350.40 : x
  2. Step 2: Convert to fraction form
    3,784,738.80/5,678,420.40 = 1,656,350.40/x
  3. Step 3: Cross multiply
    3,784,738.80x = 5,678,420.40 × 1,656,350.40
  4. Step 4: Simplify right side
    3,784,738.80x = 9,405,453,900,908.16
  5. Step 5: Solve for x
    x = 9,405,453,900,908.16/3,784,738.80
  6. Step 6: Final answer
    x = 2,485,099.87

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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.