Home / 2,211,734.42-3,311,237.46-1,980,947.60

Finding the Fourth Proportional to 2,211,734.42, 3,311,237.46 and 1,980,947.60

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Solution

The fourth proportional to 2,211,734.42, 3,311,237.46 and 1,980,947.60 is: 2,965,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,734.42 : 3,311,237.46 = 1,980,947.60 : x
  2. Step 2: Convert to fraction form
    2,211,734.42/3,311,237.46 = 1,980,947.60/x
  3. Step 3: Cross multiply
    2,211,734.42x = 3,311,237.46 × 1,980,947.60
  4. Step 4: Simplify right side
    2,211,734.42x = 6,559,387,899,417.10
  5. Step 5: Solve for x
    x = 6,559,387,899,417.10/2,211,734.42
  6. Step 6: Final answer
    x = 2,965,721.31

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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.