Home / 1,885,356.64-2,601,749.64-1,025,919.28

Finding the Fourth Proportional to 1,885,356.64, 2,601,749.64 and 1,025,919.28

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Solution

The fourth proportional to 1,885,356.64, 2,601,749.64 and 1,025,919.28 is: 1,415,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,356.64 : 2,601,749.64 = 1,025,919.28 : x
  2. Step 2: Convert to fraction form
    1,885,356.64/2,601,749.64 = 1,025,919.28/x
  3. Step 3: Cross multiply
    1,885,356.64x = 2,601,749.64 × 1,025,919.28
  4. Step 4: Simplify right side
    1,885,356.64x = 2,669,185,117,409.06
  5. Step 5: Solve for x
    x = 2,669,185,117,409.06/1,885,356.64
  6. Step 6: Final answer
    x = 1,415,745.47

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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.