Home / 1,384,149.20-2,076,223.80-1,356,155.60

Finding the Fourth Proportional to 1,384,149.20, 2,076,223.80 and 1,356,155.60

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Solution

The fourth proportional to 1,384,149.20, 2,076,223.80 and 1,356,155.60 is: 2,034,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,149.20 : 2,076,223.80 = 1,356,155.60 : x
  2. Step 2: Convert to fraction form
    1,384,149.20/2,076,223.80 = 1,356,155.60/x
  3. Step 3: Cross multiply
    1,384,149.20x = 2,076,223.80 × 1,356,155.60
  4. Step 4: Simplify right side
    1,384,149.20x = 2,815,682,533,223.28
  5. Step 5: Solve for x
    x = 2,815,682,533,223.28/1,384,149.20
  6. Step 6: Final answer
    x = 2,034,233.40

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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.