Home / 2,996,998.20-4,495,497.30-1,987,260.30

Finding the Fourth Proportional to 2,996,998.20, 4,495,497.30 and 1,987,260.30

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Solution

The fourth proportional to 2,996,998.20, 4,495,497.30 and 1,987,260.30 is: 2,980,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996,998.20 : 4,495,497.30 = 1,987,260.30 : x
  2. Step 2: Convert to fraction form
    2,996,998.20/4,495,497.30 = 1,987,260.30/x
  3. Step 3: Cross multiply
    2,996,998.20x = 4,495,497.30 × 1,987,260.30
  4. Step 4: Simplify right side
    2,996,998.20x = 8,933,723,313,047.19
  5. Step 5: Solve for x
    x = 8,933,723,313,047.19/2,996,998.20
  6. Step 6: Final answer
    x = 2,980,890.45

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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.