Home / 1,851,389.92-2,553,889.92-1,076,933.52

Finding the Fourth Proportional to 1,851,389.92, 2,553,889.92 and 1,076,933.52

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Solution

The fourth proportional to 1,851,389.92, 2,553,889.92 and 1,076,933.52 is: 1,485,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,389.92 : 2,553,889.92 = 1,076,933.52 : x
  2. Step 2: Convert to fraction form
    1,851,389.92/2,553,889.92 = 1,076,933.52/x
  3. Step 3: Cross multiply
    1,851,389.92x = 2,553,889.92 × 1,076,933.52
  4. Step 4: Simplify right side
    1,851,389.92x = 2,750,369,661,238.12
  5. Step 5: Solve for x
    x = 2,750,369,661,238.12/1,851,389.92
  6. Step 6: Final answer
    x = 1,485,570.18

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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.