Home / 1,686,857.80-2,530,869.90-1,628,537.80

Finding the Fourth Proportional to 1,686,857.80, 2,530,869.90 and 1,628,537.80

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Solution

The fourth proportional to 1,686,857.80, 2,530,869.90 and 1,628,537.80 is: 2,443,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,857.80 : 2,530,869.90 = 1,628,537.80 : x
  2. Step 2: Convert to fraction form
    1,686,857.80/2,530,869.90 = 1,628,537.80/x
  3. Step 3: Cross multiply
    1,686,857.80x = 2,530,869.90 × 1,628,537.80
  4. Step 4: Simplify right side
    1,686,857.80x = 4,121,617,299,032.22
  5. Step 5: Solve for x
    x = 4,121,617,299,032.22/1,686,857.80
  6. Step 6: Final answer
    x = 2,443,369.74

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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.