Home / 2,055,600.12-2,836,389.76-1,291,109.16

Finding the Fourth Proportional to 2,055,600.12, 2,836,389.76 and 1,291,109.16

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Solution

The fourth proportional to 2,055,600.12, 2,836,389.76 and 1,291,109.16 is: 1,781,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,600.12 : 2,836,389.76 = 1,291,109.16 : x
  2. Step 2: Convert to fraction form
    2,055,600.12/2,836,389.76 = 1,291,109.16/x
  3. Step 3: Cross multiply
    2,055,600.12x = 2,836,389.76 × 1,291,109.16
  4. Step 4: Simplify right side
    2,055,600.12x = 3,662,088,800,466.20
  5. Step 5: Solve for x
    x = 3,662,088,800,466.20/2,055,600.12
  6. Step 6: Final answer
    x = 1,781,518.09

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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.