Home / 2,398,802.22-3,310,290.90-1,311,080.76

Finding the Fourth Proportional to 2,398,802.22, 3,310,290.90 and 1,311,080.76

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Solution

The fourth proportional to 2,398,802.22, 3,310,290.90 and 1,311,080.76 is: 1,809,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398,802.22 : 3,310,290.90 = 1,311,080.76 : x
  2. Step 2: Convert to fraction form
    2,398,802.22/3,310,290.90 = 1,311,080.76/x
  3. Step 3: Cross multiply
    2,398,802.22x = 3,310,290.90 × 1,311,080.76
  4. Step 4: Simplify right side
    2,398,802.22x = 4,340,058,708,993.08
  5. Step 5: Solve for x
    x = 4,340,058,708,993.08/2,398,802.22
  6. Step 6: Final answer
    x = 1,809,260.75

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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.