Home / 2,078,715.30-3,115,740.15-1,180,587.30

Finding the Fourth Proportional to 2,078,715.30, 3,115,740.15 and 1,180,587.30

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Solution

The fourth proportional to 2,078,715.30, 3,115,740.15 and 1,180,587.30 is: 1,769,556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,715.30 : 3,115,740.15 = 1,180,587.30 : x
  2. Step 2: Convert to fraction form
    2,078,715.30/3,115,740.15 = 1,180,587.30/x
  3. Step 3: Cross multiply
    2,078,715.30x = 3,115,740.15 × 1,180,587.30
  4. Step 4: Simplify right side
    2,078,715.30x = 3,678,403,251,190.10
  5. Step 5: Solve for x
    x = 3,678,403,251,190.10/2,078,715.30
  6. Step 6: Final answer
    x = 1,769,556.06

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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.