Home / 2,147,174.64-2,963,137.77-1,180,345.68

Finding the Fourth Proportional to 2,147,174.64, 2,963,137.77 and 1,180,345.68

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Solution

The fourth proportional to 2,147,174.64, 2,963,137.77 and 1,180,345.68 is: 1,628,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,174.64 : 2,963,137.77 = 1,180,345.68 : x
  2. Step 2: Convert to fraction form
    2,147,174.64/2,963,137.77 = 1,180,345.68/x
  3. Step 3: Cross multiply
    2,147,174.64x = 2,963,137.77 × 1,180,345.68
  4. Step 4: Simplify right side
    2,147,174.64x = 3,497,526,866,064.33
  5. Step 5: Solve for x
    x = 3,497,526,866,064.33/2,147,174.64
  6. Step 6: Final answer
    x = 1,628,897.25

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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.