Home / 2,692,541.20-4,033,896.60-1,640,688.40

Finding the Fourth Proportional to 2,692,541.20, 4,033,896.60 and 1,640,688.40

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Solution

The fourth proportional to 2,692,541.20, 4,033,896.60 and 1,640,688.40 is: 2,458,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,541.20 : 4,033,896.60 = 1,640,688.40 : x
  2. Step 2: Convert to fraction form
    2,692,541.20/4,033,896.60 = 1,640,688.40/x
  3. Step 3: Cross multiply
    2,692,541.20x = 4,033,896.60 × 1,640,688.40
  4. Step 4: Simplify right side
    2,692,541.20x = 6,618,367,358,419.44
  5. Step 5: Solve for x
    x = 6,618,367,358,419.44/2,692,541.20
  6. Step 6: Final answer
    x = 2,458,037.54

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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.