Home / 2,051,146.80-3,076,720.20-988,264.80

Finding the Fourth Proportional to 2,051,146.80, 3,076,720.20 and 988,264.80

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Solution

The fourth proportional to 2,051,146.80, 3,076,720.20 and 988,264.80 is: 1,482,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,146.80 : 3,076,720.20 = 988,264.80 : x
  2. Step 2: Convert to fraction form
    2,051,146.80/3,076,720.20 = 988,264.80/x
  3. Step 3: Cross multiply
    2,051,146.80x = 3,076,720.20 × 988,264.80
  4. Step 4: Simplify right side
    2,051,146.80x = 3,040,614,273,108.96
  5. Step 5: Solve for x
    x = 3,040,614,273,108.96/2,051,146.80
  6. Step 6: Final answer
    x = 1,482,397.20

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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.