Home / 2,076,379.20-3,114,568.80-1,275,062.40

Finding the Fourth Proportional to 2,076,379.20, 3,114,568.80 and 1,275,062.40

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Solution

The fourth proportional to 2,076,379.20, 3,114,568.80 and 1,275,062.40 is: 1,912,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,379.20 : 3,114,568.80 = 1,275,062.40 : x
  2. Step 2: Convert to fraction form
    2,076,379.20/3,114,568.80 = 1,275,062.40/x
  3. Step 3: Cross multiply
    2,076,379.20x = 3,114,568.80 × 1,275,062.40
  4. Step 4: Simplify right side
    2,076,379.20x = 3,971,269,569,093.12
  5. Step 5: Solve for x
    x = 3,971,269,569,093.12/2,076,379.20
  6. Step 6: Final answer
    x = 1,912,593.60

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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.