Home / 2,711,769.47-4,068,794.78-1,687,955.64

Finding the Fourth Proportional to 2,711,769.47, 4,068,794.78 and 1,687,955.64

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Solution

The fourth proportional to 2,711,769.47, 4,068,794.78 and 1,687,955.64 is: 2,532,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711,769.47 : 4,068,794.78 = 1,687,955.64 : x
  2. Step 2: Convert to fraction form
    2,711,769.47/4,068,794.78 = 1,687,955.64/x
  3. Step 3: Cross multiply
    2,711,769.47x = 4,068,794.78 × 1,687,955.64
  4. Step 4: Simplify right side
    2,711,769.47x = 6,867,945,111,917.36
  5. Step 5: Solve for x
    x = 6,867,945,111,917.36/2,711,769.47
  6. Step 6: Final answer
    x = 2,532,643.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.