Home / 1,870,170.53-2,579,638.61-1,297,001.57

Finding the Fourth Proportional to 1,870,170.53, 2,579,638.61 and 1,297,001.57

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Solution

The fourth proportional to 1,870,170.53, 2,579,638.61 and 1,297,001.57 is: 1,789,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,170.53 : 2,579,638.61 = 1,297,001.57 : x
  2. Step 2: Convert to fraction form
    1,870,170.53/2,579,638.61 = 1,297,001.57/x
  3. Step 3: Cross multiply
    1,870,170.53x = 2,579,638.61 × 1,297,001.57
  4. Step 4: Simplify right side
    1,870,170.53x = 3,345,795,320,717.61
  5. Step 5: Solve for x
    x = 3,345,795,320,717.61/1,870,170.53
  6. Step 6: Final answer
    x = 1,789,032.21

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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.