Home / 2,008,695.78-2,772,441.58-1,320,431.22

Finding the Fourth Proportional to 2,008,695.78, 2,772,441.58 and 1,320,431.22

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Solution

The fourth proportional to 2,008,695.78, 2,772,441.58 and 1,320,431.22 is: 1,822,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008,695.78 : 2,772,441.58 = 1,320,431.22 : x
  2. Step 2: Convert to fraction form
    2,008,695.78/2,772,441.58 = 1,320,431.22/x
  3. Step 3: Cross multiply
    2,008,695.78x = 2,772,441.58 × 1,320,431.22
  4. Step 4: Simplify right side
    2,008,695.78x = 3,660,818,417,858.13
  5. Step 5: Solve for x
    x = 3,660,818,417,858.13/2,008,695.78
  6. Step 6: Final answer
    x = 1,822,485.24

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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.