Home / 4,345,195.20-6,518,570.40-1,821,105.60

Finding the Fourth Proportional to 4,345,195.20, 6,518,570.40 and 1,821,105.60

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Solution

The fourth proportional to 4,345,195.20, 6,518,570.40 and 1,821,105.60 is: 2,731,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345,195.20 : 6,518,570.40 = 1,821,105.60 : x
  2. Step 2: Convert to fraction form
    4,345,195.20/6,518,570.40 = 1,821,105.60/x
  3. Step 3: Cross multiply
    4,345,195.20x = 6,518,570.40 × 1,821,105.60
  4. Step 4: Simplify right side
    4,345,195.20x = 11,871,005,059,434.24
  5. Step 5: Solve for x
    x = 11,871,005,059,434.24/4,345,195.20
  6. Step 6: Final answer
    x = 2,731,984.30

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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.