Home / 4,090,561.40-6,135,842.10-1,815,206.60

Finding the Fourth Proportional to 4,090,561.40, 6,135,842.10 and 1,815,206.60

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Solution

The fourth proportional to 4,090,561.40, 6,135,842.10 and 1,815,206.60 is: 2,722,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090,561.40 : 6,135,842.10 = 1,815,206.60 : x
  2. Step 2: Convert to fraction form
    4,090,561.40/6,135,842.10 = 1,815,206.60/x
  3. Step 3: Cross multiply
    4,090,561.40x = 6,135,842.10 × 1,815,206.60
  4. Step 4: Simplify right side
    4,090,561.40x = 11,137,821,076,477.86
  5. Step 5: Solve for x
    x = 11,137,821,076,477.86/4,090,561.40
  6. Step 6: Final answer
    x = 2,722,809.90

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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.