Home / 3,191,447.60-4,784,790.60-1,929,009.20

Finding the Fourth Proportional to 3,191,447.60, 4,784,790.60 and 1,929,009.20

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Solution

The fourth proportional to 3,191,447.60, 4,784,790.60 and 1,929,009.20 is: 2,892,074.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,447.60 : 4,784,790.60 = 1,929,009.20 : x
  2. Step 2: Convert to fraction form
    3,191,447.60/4,784,790.60 = 1,929,009.20/x
  3. Step 3: Cross multiply
    3,191,447.60x = 4,784,790.60 × 1,929,009.20
  4. Step 4: Simplify right side
    3,191,447.60x = 9,229,905,087,473.52
  5. Step 5: Solve for x
    x = 9,229,905,087,473.52/3,191,447.60
  6. Step 6: Final answer
    x = 2,892,074.77

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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.