Home / 6,689,025.70-10,033,538.55-1,640,336.20

Finding the Fourth Proportional to 6,689,025.70, 10,033,538.55 and 1,640,336.20

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Solution

The fourth proportional to 6,689,025.70, 10,033,538.55 and 1,640,336.20 is: 2,460,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689,025.70 : 10,033,538.55 = 1,640,336.20 : x
  2. Step 2: Convert to fraction form
    6,689,025.70/10,033,538.55 = 1,640,336.20/x
  3. Step 3: Cross multiply
    6,689,025.70x = 10,033,538.55 × 1,640,336.20
  4. Step 4: Simplify right side
    6,689,025.70x = 16,458,376,497,660.51
  5. Step 5: Solve for x
    x = 16,458,376,497,660.51/6,689,025.70
  6. Step 6: Final answer
    x = 2,460,504.30

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Similar ratio
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1.5x scale

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.