Home / 1,981,630.92-2,734,666.74-1,076,219.40

Finding the Fourth Proportional to 1,981,630.92, 2,734,666.74 and 1,076,219.40

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Solution

The fourth proportional to 1,981,630.92, 2,734,666.74 and 1,076,219.40 is: 1,485,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,630.92 : 2,734,666.74 = 1,076,219.40 : x
  2. Step 2: Convert to fraction form
    1,981,630.92/2,734,666.74 = 1,076,219.40/x
  3. Step 3: Cross multiply
    1,981,630.92x = 2,734,666.74 × 1,076,219.40
  4. Step 4: Simplify right side
    1,981,630.92x = 2,943,101,398,122.76
  5. Step 5: Solve for x
    x = 2,943,101,398,122.76/1,981,630.92
  6. Step 6: Final answer
    x = 1,485,191.50

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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.