Home / 2,688,342.60-4,032,513.90-2,669,680.20

Finding the Fourth Proportional to 2,688,342.60, 4,032,513.90 and 2,669,680.20

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Solution

The fourth proportional to 2,688,342.60, 4,032,513.90 and 2,669,680.20 is: 4,004,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,342.60 : 4,032,513.90 = 2,669,680.20 : x
  2. Step 2: Convert to fraction form
    2,688,342.60/4,032,513.90 = 2,669,680.20/x
  3. Step 3: Cross multiply
    2,688,342.60x = 4,032,513.90 × 2,669,680.20
  4. Step 4: Simplify right side
    2,688,342.60x = 10,765,522,515,054.78
  5. Step 5: Solve for x
    x = 10,765,522,515,054.78/2,688,342.60
  6. Step 6: Final answer
    x = 4,004,520.30

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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.