Home / 1,913,580.99-2,640,616.42-1,054,141.25

Finding the Fourth Proportional to 1,913,580.99, 2,640,616.42 and 1,054,141.25

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Solution

The fourth proportional to 1,913,580.99, 2,640,616.42 and 1,054,141.25 is: 1,454,645.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,580.99 : 2,640,616.42 = 1,054,141.25 : x
  2. Step 2: Convert to fraction form
    1,913,580.99/2,640,616.42 = 1,054,141.25/x
  3. Step 3: Cross multiply
    1,913,580.99x = 2,640,616.42 × 1,054,141.25
  4. Step 4: Simplify right side
    1,913,580.99x = 2,783,582,693,749.32
  5. Step 5: Solve for x
    x = 2,783,582,693,749.32/1,913,580.99
  6. Step 6: Final answer
    x = 1,454,645.88

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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.