Home / 2,688,085.60-4,032,128.40-2,373,157.60

Finding the Fourth Proportional to 2,688,085.60, 4,032,128.40 and 2,373,157.60

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Solution

The fourth proportional to 2,688,085.60, 4,032,128.40 and 2,373,157.60 is: 3,559,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,085.60 : 4,032,128.40 = 2,373,157.60 : x
  2. Step 2: Convert to fraction form
    2,688,085.60/4,032,128.40 = 2,373,157.60/x
  3. Step 3: Cross multiply
    2,688,085.60x = 4,032,128.40 × 2,373,157.60
  4. Step 4: Simplify right side
    2,688,085.60x = 9,568,876,156,635.84
  5. Step 5: Solve for x
    x = 9,568,876,156,635.84/2,688,085.60
  6. Step 6: Final answer
    x = 3,559,736.40

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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.