Home / 2,405,990.36-3,320,139.56-1,373,457.18

Finding the Fourth Proportional to 2,405,990.36, 3,320,139.56 and 1,373,457.18

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Solution

The fourth proportional to 2,405,990.36, 3,320,139.56 and 1,373,457.18 is: 1,895,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,990.36 : 3,320,139.56 = 1,373,457.18 : x
  2. Step 2: Convert to fraction form
    2,405,990.36/3,320,139.56 = 1,373,457.18/x
  3. Step 3: Cross multiply
    2,405,990.36x = 3,320,139.56 × 1,373,457.18
  4. Step 4: Simplify right side
    2,405,990.36x = 4,560,069,517,284.04
  5. Step 5: Solve for x
    x = 4,560,069,517,284.04/2,405,990.36
  6. Step 6: Final answer
    x = 1,895,298.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.