Home / 1,981,821.53-2,734,898.68-1,076,410.01

Finding the Fourth Proportional to 1,981,821.53, 2,734,898.68 and 1,076,410.01

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Solution

The fourth proportional to 1,981,821.53, 2,734,898.68 and 1,076,410.01 is: 1,485,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,821.53 : 2,734,898.68 = 1,076,410.01 : x
  2. Step 2: Convert to fraction form
    1,981,821.53/2,734,898.68 = 1,076,410.01/x
  3. Step 3: Cross multiply
    1,981,821.53x = 2,734,898.68 × 1,076,410.01
  4. Step 4: Simplify right side
    1,981,821.53x = 2,943,872,323,670.55
  5. Step 5: Solve for x
    x = 2,943,872,323,670.55/1,981,821.53
  6. Step 6: Final answer
    x = 1,485,437.65

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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.