Home / 1,815,049.17-2,721,939.12-535,317.21

Finding the Fourth Proportional to 1,815,049.17, 2,721,939.12 and 535,317.21

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Solution

The fourth proportional to 1,815,049.17, 2,721,939.12 and 535,317.21 is: 802,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,049.17 : 2,721,939.12 = 535,317.21 : x
  2. Step 2: Convert to fraction form
    1,815,049.17/2,721,939.12 = 535,317.21/x
  3. Step 3: Cross multiply
    1,815,049.17x = 2,721,939.12 × 535,317.21
  4. Step 4: Simplify right side
    1,815,049.17x = 1,457,100,855,508.26
  5. Step 5: Solve for x
    x = 1,457,100,855,508.26/1,815,049.17
  6. Step 6: Final answer
    x = 802,788.64

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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.