Home / 2,570,981.20-3,856,471.80-1,907,429.20

Finding the Fourth Proportional to 2,570,981.20, 3,856,471.80 and 1,907,429.20

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Solution

The fourth proportional to 2,570,981.20, 3,856,471.80 and 1,907,429.20 is: 2,861,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570,981.20 : 3,856,471.80 = 1,907,429.20 : x
  2. Step 2: Convert to fraction form
    2,570,981.20/3,856,471.80 = 1,907,429.20/x
  3. Step 3: Cross multiply
    2,570,981.20x = 3,856,471.80 × 1,907,429.20
  4. Step 4: Simplify right side
    2,570,981.20x = 7,355,946,920,296.56
  5. Step 5: Solve for x
    x = 7,355,946,920,296.56/2,570,981.20
  6. Step 6: Final answer
    x = 2,861,143.80

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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.