Home / 2,137,176.72-2,949,319.20-1,170,396.24

Finding the Fourth Proportional to 2,137,176.72, 2,949,319.20 and 1,170,396.24

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Solution

The fourth proportional to 2,137,176.72, 2,949,319.20 and 1,170,396.24 is: 1,615,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,176.72 : 2,949,319.20 = 1,170,396.24 : x
  2. Step 2: Convert to fraction form
    2,137,176.72/2,949,319.20 = 1,170,396.24/x
  3. Step 3: Cross multiply
    2,137,176.72x = 2,949,319.20 × 1,170,396.24
  4. Step 4: Simplify right side
    2,137,176.72x = 3,451,872,102,239.81
  5. Step 5: Solve for x
    x = 3,451,872,102,239.81/2,137,176.72
  6. Step 6: Final answer
    x = 1,615,155.20

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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.