Home / 3,781,823.63-5,672,784.80-1,257,478.88

Finding the Fourth Proportional to 3,781,823.63, 5,672,784.80 and 1,257,478.88

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Solution

The fourth proportional to 3,781,823.63, 5,672,784.80 and 1,257,478.88 is: 1,886,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,823.63 : 5,672,784.80 = 1,257,478.88 : x
  2. Step 2: Convert to fraction form
    3,781,823.63/5,672,784.80 = 1,257,478.88/x
  3. Step 3: Cross multiply
    3,781,823.63x = 5,672,784.80 × 1,257,478.88
  4. Step 4: Simplify right side
    3,781,823.63x = 7,133,407,051,564.80
  5. Step 5: Solve for x
    x = 7,133,407,051,564.80/3,781,823.63
  6. Step 6: Final answer
    x = 1,886,234.73

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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.