Home / 2,076,406.80-3,114,610.20-814,275.60

Finding the Fourth Proportional to 2,076,406.80, 3,114,610.20 and 814,275.60

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Solution

The fourth proportional to 2,076,406.80, 3,114,610.20 and 814,275.60 is: 1,221,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,406.80 : 3,114,610.20 = 814,275.60 : x
  2. Step 2: Convert to fraction form
    2,076,406.80/3,114,610.20 = 814,275.60/x
  3. Step 3: Cross multiply
    2,076,406.80x = 3,114,610.20 × 814,275.60
  4. Step 4: Simplify right side
    2,076,406.80x = 2,536,151,089,371.12
  5. Step 5: Solve for x
    x = 2,536,151,089,371.12/2,076,406.80
  6. Step 6: Final answer
    x = 1,221,413.40

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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.