Home / 2,076,913.70-3,115,662.15-656,821.70

Finding the Fourth Proportional to 2,076,913.70, 3,115,662.15 and 656,821.70

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Solution

The fourth proportional to 2,076,913.70, 3,115,662.15 and 656,821.70 is: 985,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,913.70 : 3,115,662.15 = 656,821.70 : x
  2. Step 2: Convert to fraction form
    2,076,913.70/3,115,662.15 = 656,821.70/x
  3. Step 3: Cross multiply
    2,076,913.70x = 3,115,662.15 × 656,821.70
  4. Step 4: Simplify right side
    2,076,913.70x = 2,046,434,509,988.65
  5. Step 5: Solve for x
    x = 2,046,434,509,988.65/2,076,913.70
  6. Step 6: Final answer
    x = 985,324.77

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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.