Home / 2,717,731.20-4,076,985.60-824,620.80

Finding the Fourth Proportional to 2,717,731.20, 4,076,985.60 and 824,620.80

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Solution

The fourth proportional to 2,717,731.20, 4,076,985.60 and 824,620.80 is: 1,237,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717,731.20 : 4,076,985.60 = 824,620.80 : x
  2. Step 2: Convert to fraction form
    2,717,731.20/4,076,985.60 = 824,620.80/x
  3. Step 3: Cross multiply
    2,717,731.20x = 4,076,985.60 × 824,620.80
  4. Step 4: Simplify right side
    2,717,731.20x = 3,361,967,127,060.48
  5. Step 5: Solve for x
    x = 3,361,967,127,060.48/2,717,731.20
  6. Step 6: Final answer
    x = 1,237,049.17

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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.