Home / 1,916,912.88-2,645,325-1,057,509.36

Finding the Fourth Proportional to 1,916,912.88, 2,645,325 and 1,057,509.36

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Solution

The fourth proportional to 1,916,912.88, 2,645,325 and 1,057,509.36 is: 1,459,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,912.88 : 2,645,325 = 1,057,509.36 : x
  2. Step 2: Convert to fraction form
    1,916,912.88/2,645,325 = 1,057,509.36/x
  3. Step 3: Cross multiply
    1,916,912.88x = 2,645,325 × 1,057,509.36
  4. Step 4: Simplify right side
    1,916,912.88x = 2,797,455,947,742.00
  5. Step 5: Solve for x
    x = 2,797,455,947,742.00/1,916,912.88
  6. Step 6: Final answer
    x = 1,459,354.77

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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.