Home / 1,936,401.92-2,672,329.28-1,076,943.72

Finding the Fourth Proportional to 1,936,401.92, 2,672,329.28 and 1,076,943.72

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Solution

The fourth proportional to 1,936,401.92, 2,672,329.28 and 1,076,943.72 is: 1,486,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,401.92 : 2,672,329.28 = 1,076,943.72 : x
  2. Step 2: Convert to fraction form
    1,936,401.92/2,672,329.28 = 1,076,943.72/x
  3. Step 3: Cross multiply
    1,936,401.92x = 2,672,329.28 × 1,076,943.72
  4. Step 4: Simplify right side
    1,936,401.92x = 2,877,948,235,868.12
  5. Step 5: Solve for x
    x = 2,877,948,235,868.12/1,936,401.92
  6. Step 6: Final answer
    x = 1,486,234.96

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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.