Home / 2,091,213.32-2,887,714.62-1,307,622.16

Finding the Fourth Proportional to 2,091,213.32, 2,887,714.62 and 1,307,622.16

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Solution

The fourth proportional to 2,091,213.32, 2,887,714.62 and 1,307,622.16 is: 1,805,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,213.32 : 2,887,714.62 = 1,307,622.16 : x
  2. Step 2: Convert to fraction form
    2,091,213.32/2,887,714.62 = 1,307,622.16/x
  3. Step 3: Cross multiply
    2,091,213.32x = 2,887,714.62 × 1,307,622.16
  4. Step 4: Simplify right side
    2,091,213.32x = 3,776,039,628,867.98
  5. Step 5: Solve for x
    x = 3,776,039,628,867.98/2,091,213.32
  6. Step 6: Final answer
    x = 1,805,669.27

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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.