Home / 1,915,203.50-2,642,999.06-1,055,794.58

Finding the Fourth Proportional to 1,915,203.50, 2,642,999.06 and 1,055,794.58

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Solution

The fourth proportional to 1,915,203.50, 2,642,999.06 and 1,055,794.58 is: 1,457,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,203.50 : 2,642,999.06 = 1,055,794.58 : x
  2. Step 2: Convert to fraction form
    1,915,203.50/2,642,999.06 = 1,055,794.58/x
  3. Step 3: Cross multiply
    1,915,203.50x = 2,642,999.06 × 1,055,794.58
  4. Step 4: Simplify right side
    1,915,203.50x = 2,790,464,082,493.10
  5. Step 5: Solve for x
    x = 2,790,464,082,493.10/1,915,203.50
  6. Step 6: Final answer
    x = 1,457,006.57

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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.