Home / 2,976,784.20-4,465,176.30-1,764,311.40

Finding the Fourth Proportional to 2,976,784.20, 4,465,176.30 and 1,764,311.40

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Solution

The fourth proportional to 2,976,784.20, 4,465,176.30 and 1,764,311.40 is: 2,646,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,784.20 : 4,465,176.30 = 1,764,311.40 : x
  2. Step 2: Convert to fraction form
    2,976,784.20/4,465,176.30 = 1,764,311.40/x
  3. Step 3: Cross multiply
    2,976,784.20x = 4,465,176.30 × 1,764,311.40
  4. Step 4: Simplify right side
    2,976,784.20x = 7,877,961,449,099.82
  5. Step 5: Solve for x
    x = 7,877,961,449,099.82/2,976,784.20
  6. Step 6: Final answer
    x = 2,646,467.10

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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.