Home / 1,981,623.92-2,734,657.08-1,076,212.40

Finding the Fourth Proportional to 1,981,623.92, 2,734,657.08 and 1,076,212.40

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Solution

The fourth proportional to 1,981,623.92, 2,734,657.08 and 1,076,212.40 is: 1,485,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,623.92 : 2,734,657.08 = 1,076,212.40 : x
  2. Step 2: Convert to fraction form
    1,981,623.92/2,734,657.08 = 1,076,212.40/x
  3. Step 3: Cross multiply
    1,981,623.92x = 2,734,657.08 × 1,076,212.40
  4. Step 4: Simplify right side
    1,981,623.92x = 2,943,071,859,243.79
  5. Step 5: Solve for x
    x = 2,943,071,859,243.79/1,981,623.92
  6. Step 6: Final answer
    x = 1,485,181.84

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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.