Home / 2,151,281.05-2,968,785.77-1,171,226.80

Finding the Fourth Proportional to 2,151,281.05, 2,968,785.77 and 1,171,226.80

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Solution

The fourth proportional to 2,151,281.05, 2,968,785.77 and 1,171,226.80 is: 1,616,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,281.05 : 2,968,785.77 = 1,171,226.80 : x
  2. Step 2: Convert to fraction form
    2,151,281.05/2,968,785.77 = 1,171,226.80/x
  3. Step 3: Cross multiply
    2,151,281.05x = 2,968,785.77 × 1,171,226.80
  4. Step 4: Simplify right side
    2,151,281.05x = 3,477,121,450,081.85
  5. Step 5: Solve for x
    x = 3,477,121,450,081.85/2,151,281.05
  6. Step 6: Final answer
    x = 1,616,302.74

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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.