Home / 2,778,141.16-4,155,843.36-2,099,175.40

Finding the Fourth Proportional to 2,778,141.16, 4,155,843.36 and 2,099,175.40

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Solution

The fourth proportional to 2,778,141.16, 4,155,843.36 and 2,099,175.40 is: 3,140,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,141.16 : 4,155,843.36 = 2,099,175.40 : x
  2. Step 2: Convert to fraction form
    2,778,141.16/4,155,843.36 = 2,099,175.40/x
  3. Step 3: Cross multiply
    2,778,141.16x = 4,155,843.36 × 2,099,175.40
  4. Step 4: Simplify right side
    2,778,141.16x = 8,723,844,147,565.34
  5. Step 5: Solve for x
    x = 8,723,844,147,565.34/2,778,141.16
  6. Step 6: Final answer
    x = 3,140,173.10

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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.