Home / 2,076,612.70-2,866,338.39-1,217,358.94

Finding the Fourth Proportional to 2,076,612.70, 2,866,338.39 and 1,217,358.94

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Solution

The fourth proportional to 2,076,612.70, 2,866,338.39 and 1,217,358.94 is: 1,680,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,612.70 : 2,866,338.39 = 1,217,358.94 : x
  2. Step 2: Convert to fraction form
    2,076,612.70/2,866,338.39 = 1,217,358.94/x
  3. Step 3: Cross multiply
    2,076,612.70x = 2,866,338.39 × 1,217,358.94
  4. Step 4: Simplify right side
    2,076,612.70x = 3,489,362,664,131.71
  5. Step 5: Solve for x
    x = 3,489,362,664,131.71/2,076,612.70
  6. Step 6: Final answer
    x = 1,680,314.61

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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.