Home / 2,137,167.96-2,949,291.72-1,170,357.36

Finding the Fourth Proportional to 2,137,167.96, 2,949,291.72 and 1,170,357.36

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Solution

The fourth proportional to 2,137,167.96, 2,949,291.72 and 1,170,357.36 is: 1,615,093.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,167.96 : 2,949,291.72 = 1,170,357.36 : x
  2. Step 2: Convert to fraction form
    2,137,167.96/2,949,291.72 = 1,170,357.36/x
  3. Step 3: Cross multiply
    2,137,167.96x = 2,949,291.72 × 1,170,357.36
  4. Step 4: Simplify right side
    2,137,167.96x = 3,451,725,271,289.06
  5. Step 5: Solve for x
    x = 3,451,725,271,289.06/2,137,167.96
  6. Step 6: Final answer
    x = 1,615,093.12

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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.