Home / 2,076,962.80-3,115,444.20-1,132,178.80

Finding the Fourth Proportional to 2,076,962.80, 3,115,444.20 and 1,132,178.80

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Solution

The fourth proportional to 2,076,962.80, 3,115,444.20 and 1,132,178.80 is: 1,698,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,962.80 : 3,115,444.20 = 1,132,178.80 : x
  2. Step 2: Convert to fraction form
    2,076,962.80/3,115,444.20 = 1,132,178.80/x
  3. Step 3: Cross multiply
    2,076,962.80x = 3,115,444.20 × 1,132,178.80
  4. Step 4: Simplify right side
    2,076,962.80x = 3,527,239,875,822.96
  5. Step 5: Solve for x
    x = 3,527,239,875,822.96/2,076,962.80
  6. Step 6: Final answer
    x = 1,698,268.20

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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.