Home / 1,969,968.90-2,954,953.35-1,721,136.90

Finding the Fourth Proportional to 1,969,968.90, 2,954,953.35 and 1,721,136.90

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Solution

The fourth proportional to 1,969,968.90, 2,954,953.35 and 1,721,136.90 is: 2,581,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,968.90 : 2,954,953.35 = 1,721,136.90 : x
  2. Step 2: Convert to fraction form
    1,969,968.90/2,954,953.35 = 1,721,136.90/x
  3. Step 3: Cross multiply
    1,969,968.90x = 2,954,953.35 × 1,721,136.90
  4. Step 4: Simplify right side
    1,969,968.90x = 5,085,879,248,463.62
  5. Step 5: Solve for x
    x = 5,085,879,248,463.62/1,969,968.90
  6. Step 6: Final answer
    x = 2,581,705.35

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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.