Home / 2,076,872.40-3,115,308.60-957,128.40

Finding the Fourth Proportional to 2,076,872.40, 3,115,308.60 and 957,128.40

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Solution

The fourth proportional to 2,076,872.40, 3,115,308.60 and 957,128.40 is: 1,435,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,872.40 : 3,115,308.60 = 957,128.40 : x
  2. Step 2: Convert to fraction form
    2,076,872.40/3,115,308.60 = 957,128.40/x
  3. Step 3: Cross multiply
    2,076,872.40x = 3,115,308.60 × 957,128.40
  4. Step 4: Simplify right side
    2,076,872.40x = 2,981,750,335,824.24
  5. Step 5: Solve for x
    x = 2,981,750,335,824.24/2,076,872.40
  6. Step 6: Final answer
    x = 1,435,692.60

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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.