Home / 2,752,076.70-4,128,115.05-1,155,785.40

Finding the Fourth Proportional to 2,752,076.70, 4,128,115.05 and 1,155,785.40

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Solution

The fourth proportional to 2,752,076.70, 4,128,115.05 and 1,155,785.40 is: 1,733,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,076.70 : 4,128,115.05 = 1,155,785.40 : x
  2. Step 2: Convert to fraction form
    2,752,076.70/4,128,115.05 = 1,155,785.40/x
  3. Step 3: Cross multiply
    2,752,076.70x = 4,128,115.05 × 1,155,785.40
  4. Step 4: Simplify right side
    2,752,076.70x = 4,771,215,104,310.27
  5. Step 5: Solve for x
    x = 4,771,215,104,310.27/2,752,076.70
  6. Step 6: Final answer
    x = 1,733,678.10

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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.