Home / 2,907,044.90-4,011,721.95-1,618,189.76

Finding the Fourth Proportional to 2,907,044.90, 4,011,721.95 and 1,618,189.76

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Solution

The fourth proportional to 2,907,044.90, 4,011,721.95 and 1,618,189.76 is: 2,233,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,044.90 : 4,011,721.95 = 1,618,189.76 : x
  2. Step 2: Convert to fraction form
    2,907,044.90/4,011,721.95 = 1,618,189.76/x
  3. Step 3: Cross multiply
    2,907,044.90x = 4,011,721.95 × 1,618,189.76
  4. Step 4: Simplify right side
    2,907,044.90x = 6,491,727,359,398.62
  5. Step 5: Solve for x
    x = 6,491,727,359,398.62/2,907,044.90
  6. Step 6: Final answer
    x = 2,233,101.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.