Home / 3,103,774.85-4,280,782.80-2,016,396.78

Finding the Fourth Proportional to 3,103,774.85, 4,280,782.80 and 2,016,396.78

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Solution

The fourth proportional to 3,103,774.85, 4,280,782.80 and 2,016,396.78 is: 2,781,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,774.85 : 4,280,782.80 = 2,016,396.78 : x
  2. Step 2: Convert to fraction form
    3,103,774.85/4,280,782.80 = 2,016,396.78/x
  3. Step 3: Cross multiply
    3,103,774.85x = 4,280,782.80 × 2,016,396.78
  4. Step 4: Simplify right side
    3,103,774.85x = 8,631,756,653,799.38
  5. Step 5: Solve for x
    x = 8,631,756,653,799.38/3,103,774.85
  6. Step 6: Final answer
    x = 2,781,051.16

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1.5x scale

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.