Home / 3,782,678.20-5,674,017.30-1,889,711.80

Finding the Fourth Proportional to 3,782,678.20, 5,674,017.30 and 1,889,711.80

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Solution

The fourth proportional to 3,782,678.20, 5,674,017.30 and 1,889,711.80 is: 2,834,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782,678.20 : 5,674,017.30 = 1,889,711.80 : x
  2. Step 2: Convert to fraction form
    3,782,678.20/5,674,017.30 = 1,889,711.80/x
  3. Step 3: Cross multiply
    3,782,678.20x = 5,674,017.30 × 1,889,711.80
  4. Step 4: Simplify right side
    3,782,678.20x = 10,722,257,445,214.14
  5. Step 5: Solve for x
    x = 10,722,257,445,214.14/3,782,678.20
  6. Step 6: Final answer
    x = 2,834,567.70

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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.