Home / 1,969,942.40-2,954,913.60-1,721,110.40

Finding the Fourth Proportional to 1,969,942.40, 2,954,913.60 and 1,721,110.40

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Solution

The fourth proportional to 1,969,942.40, 2,954,913.60 and 1,721,110.40 is: 2,581,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,942.40 : 2,954,913.60 = 1,721,110.40 : x
  2. Step 2: Convert to fraction form
    1,969,942.40/2,954,913.60 = 1,721,110.40/x
  3. Step 3: Cross multiply
    1,969,942.40x = 2,954,913.60 × 1,721,110.40
  4. Step 4: Simplify right side
    1,969,942.40x = 5,085,732,528,061.44
  5. Step 5: Solve for x
    x = 5,085,732,528,061.44/1,969,942.40
  6. Step 6: Final answer
    x = 2,581,665.60

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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.