Home / 2,316,616.09-3,471,897.78-1,291,905.47

Finding the Fourth Proportional to 2,316,616.09, 3,471,897.78 and 1,291,905.47

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Solution

The fourth proportional to 2,316,616.09, 3,471,897.78 and 1,291,905.47 is: 1,936,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316,616.09 : 3,471,897.78 = 1,291,905.47 : x
  2. Step 2: Convert to fraction form
    2,316,616.09/3,471,897.78 = 1,291,905.47/x
  3. Step 3: Cross multiply
    2,316,616.09x = 3,471,897.78 × 1,291,905.47
  4. Step 4: Simplify right side
    2,316,616.09x = 4,485,363,741,942.60
  5. Step 5: Solve for x
    x = 4,485,363,741,942.60/2,316,616.09
  6. Step 6: Final answer
    x = 1,936,170.51

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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.