Home / 1,964,979.45-2,711,643.86-1,105,537.66

Finding the Fourth Proportional to 1,964,979.45, 2,711,643.86 and 1,105,537.66

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Solution

The fourth proportional to 1,964,979.45, 2,711,643.86 and 1,105,537.66 is: 1,525,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,979.45 : 2,711,643.86 = 1,105,537.66 : x
  2. Step 2: Convert to fraction form
    1,964,979.45/2,711,643.86 = 1,105,537.66/x
  3. Step 3: Cross multiply
    1,964,979.45x = 2,711,643.86 × 1,105,537.66
  4. Step 4: Simplify right side
    1,964,979.45x = 2,997,824,403,722.50
  5. Step 5: Solve for x
    x = 2,997,824,403,722.50/1,964,979.45
  6. Step 6: Final answer
    x = 1,525,626.34

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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.