Home / 2,229,427.80-3,076,559.82-1,210,810.68

Finding the Fourth Proportional to 2,229,427.80, 3,076,559.82 and 1,210,810.68

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Solution

The fourth proportional to 2,229,427.80, 3,076,559.82 and 1,210,810.68 is: 1,670,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,427.80 : 3,076,559.82 = 1,210,810.68 : x
  2. Step 2: Convert to fraction form
    2,229,427.80/3,076,559.82 = 1,210,810.68/x
  3. Step 3: Cross multiply
    2,229,427.80x = 3,076,559.82 × 1,210,810.68
  4. Step 4: Simplify right side
    2,229,427.80x = 3,725,131,487,714.88
  5. Step 5: Solve for x
    x = 3,725,131,487,714.88/2,229,427.80
  6. Step 6: Final answer
    x = 1,670,891.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.