Home / 1,965,173.59-2,711,992.56-1,105,764.40

Finding the Fourth Proportional to 1,965,173.59, 2,711,992.56 and 1,105,764.40

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Solution

The fourth proportional to 1,965,173.59, 2,711,992.56 and 1,105,764.40 is: 1,525,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,173.59 : 2,711,992.56 = 1,105,764.40 : x
  2. Step 2: Convert to fraction form
    1,965,173.59/2,711,992.56 = 1,105,764.40/x
  3. Step 3: Cross multiply
    1,965,173.59x = 2,711,992.56 × 1,105,764.40
  4. Step 4: Simplify right side
    1,965,173.59x = 2,998,824,812,352.90
  5. Step 5: Solve for x
    x = 2,998,824,812,352.90/1,965,173.59
  6. Step 6: Final answer
    x = 1,525,984.69

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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.