Home / 6,476,914.20-9,721,592.10-3,285,643.80

Finding the Fourth Proportional to 6,476,914.20, 9,721,592.10 and 3,285,643.80

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Solution

The fourth proportional to 6,476,914.20, 9,721,592.10 and 3,285,643.80 is: 4,931,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476,914.20 : 9,721,592.10 = 3,285,643.80 : x
  2. Step 2: Convert to fraction form
    6,476,914.20/9,721,592.10 = 3,285,643.80/x
  3. Step 3: Cross multiply
    6,476,914.20x = 9,721,592.10 × 3,285,643.80
  4. Step 4: Simplify right side
    6,476,914.20x = 31,941,688,809,493.98
  5. Step 5: Solve for x
    x = 31,941,688,809,493.98/6,476,914.20
  6. Step 6: Final answer
    x = 4,931,621.42

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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.