Home / 2,076,856.20-3,115,605.06-878,785.20

Finding the Fourth Proportional to 2,076,856.20, 3,115,605.06 and 878,785.20

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Solution

The fourth proportional to 2,076,856.20, 3,115,605.06 and 878,785.20 is: 1,318,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,856.20 : 3,115,605.06 = 878,785.20 : x
  2. Step 2: Convert to fraction form
    2,076,856.20/3,115,605.06 = 878,785.20/x
  3. Step 3: Cross multiply
    2,076,856.20x = 3,115,605.06 × 878,785.20
  4. Step 4: Simplify right side
    2,076,856.20x = 2,737,947,615,773.11
  5. Step 5: Solve for x
    x = 2,737,947,615,773.11/2,076,856.20
  6. Step 6: Final answer
    x = 1,318,313.52

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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.