Home / 2,631,841.80-3,947,762.70-2,387,772.60

Finding the Fourth Proportional to 2,631,841.80, 3,947,762.70 and 2,387,772.60

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Solution

The fourth proportional to 2,631,841.80, 3,947,762.70 and 2,387,772.60 is: 3,581,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,841.80 : 3,947,762.70 = 2,387,772.60 : x
  2. Step 2: Convert to fraction form
    2,631,841.80/3,947,762.70 = 2,387,772.60/x
  3. Step 3: Cross multiply
    2,631,841.80x = 3,947,762.70 × 2,387,772.60
  4. Step 4: Simplify right side
    2,631,841.80x = 9,426,359,606,362.02
  5. Step 5: Solve for x
    x = 9,426,359,606,362.02/2,631,841.80
  6. Step 6: Final answer
    x = 3,581,658.90

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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.