Home / 2,076,121.80-3,114,182.70-877,645.80

Finding the Fourth Proportional to 2,076,121.80, 3,114,182.70 and 877,645.80

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Solution

The fourth proportional to 2,076,121.80, 3,114,182.70 and 877,645.80 is: 1,316,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,121.80 : 3,114,182.70 = 877,645.80 : x
  2. Step 2: Convert to fraction form
    2,076,121.80/3,114,182.70 = 877,645.80/x
  3. Step 3: Cross multiply
    2,076,121.80x = 3,114,182.70 × 877,645.80
  4. Step 4: Simplify right side
    2,076,121.80x = 2,733,149,367,087.66
  5. Step 5: Solve for x
    x = 2,733,149,367,087.66/2,076,121.80
  6. Step 6: Final answer
    x = 1,316,468.70

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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.