Home / 3,849,672.83-5,311,992.45-2,130,789.24

Finding the Fourth Proportional to 3,849,672.83, 5,311,992.45 and 2,130,789.24

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Solution

The fourth proportional to 3,849,672.83, 5,311,992.45 and 2,130,789.24 is: 2,940,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,672.83 : 5,311,992.45 = 2,130,789.24 : x
  2. Step 2: Convert to fraction form
    3,849,672.83/5,311,992.45 = 2,130,789.24/x
  3. Step 3: Cross multiply
    3,849,672.83x = 5,311,992.45 × 2,130,789.24
  4. Step 4: Simplify right side
    3,849,672.83x = 11,318,736,363,411.70
  5. Step 5: Solve for x
    x = 11,318,736,363,411.70/3,849,672.83
  6. Step 6: Final answer
    x = 2,940,181.38

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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.