Home / 1,939,252.43-2,907,905.42-1,129,898.40

Finding the Fourth Proportional to 1,939,252.43, 2,907,905.42 and 1,129,898.40

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Solution

The fourth proportional to 1,939,252.43, 2,907,905.42 and 1,129,898.40 is: 1,694,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,252.43 : 2,907,905.42 = 1,129,898.40 : x
  2. Step 2: Convert to fraction form
    1,939,252.43/2,907,905.42 = 1,129,898.40/x
  3. Step 3: Cross multiply
    1,939,252.43x = 2,907,905.42 × 1,129,898.40
  4. Step 4: Simplify right side
    1,939,252.43x = 3,285,637,681,409.33
  5. Step 5: Solve for x
    x = 3,285,637,681,409.33/1,939,252.43
  6. Step 6: Final answer
    x = 1,694,280.56

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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.