Home / 2,090,980.20-3,131,804.70-1,613,922.60

Finding the Fourth Proportional to 2,090,980.20, 3,131,804.70 and 1,613,922.60

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Solution

The fourth proportional to 2,090,980.20, 3,131,804.70 and 1,613,922.60 is: 2,417,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,980.20 : 3,131,804.70 = 1,613,922.60 : x
  2. Step 2: Convert to fraction form
    2,090,980.20/3,131,804.70 = 1,613,922.60/x
  3. Step 3: Cross multiply
    2,090,980.20x = 3,131,804.70 × 1,613,922.60
  4. Step 4: Simplify right side
    2,090,980.20x = 5,054,490,384,116.22
  5. Step 5: Solve for x
    x = 5,054,490,384,116.22/2,090,980.20
  6. Step 6: Final answer
    x = 2,417,282.76

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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.