Home / 1,870,175.56-2,579,645.46-1,297,006.60

Finding the Fourth Proportional to 1,870,175.56, 2,579,645.46 and 1,297,006.60

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Solution

The fourth proportional to 1,870,175.56, 2,579,645.46 and 1,297,006.60 is: 1,789,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,175.56 : 2,579,645.46 = 1,297,006.60 : x
  2. Step 2: Convert to fraction form
    1,870,175.56/2,579,645.46 = 1,297,006.60/x
  3. Step 3: Cross multiply
    1,870,175.56x = 2,579,645.46 × 1,297,006.60
  4. Step 4: Simplify right side
    1,870,175.56x = 3,345,817,187,280.04
  5. Step 5: Solve for x
    x = 3,345,817,187,280.04/1,870,175.56
  6. Step 6: Final answer
    x = 1,789,039.09

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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.