Home / 2,076,377.80-3,111,213.30-1,175,139.40

Finding the Fourth Proportional to 2,076,377.80, 3,111,213.30 and 1,175,139.40

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Solution

The fourth proportional to 2,076,377.80, 3,111,213.30 and 1,175,139.40 is: 1,760,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,377.80 : 3,111,213.30 = 1,175,139.40 : x
  2. Step 2: Convert to fraction form
    2,076,377.80/3,111,213.30 = 1,175,139.40/x
  3. Step 3: Cross multiply
    2,076,377.80x = 3,111,213.30 × 1,175,139.40
  4. Step 4: Simplify right side
    2,076,377.80x = 3,656,109,330,634.02
  5. Step 5: Solve for x
    x = 3,656,109,330,634.02/2,076,377.80
  6. Step 6: Final answer
    x = 1,760,811.22

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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.