Home / 1,851,391.42-2,553,891.99-1,076,935.02

Finding the Fourth Proportional to 1,851,391.42, 2,553,891.99 and 1,076,935.02

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Solution

The fourth proportional to 1,851,391.42, 2,553,891.99 and 1,076,935.02 is: 1,485,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,391.42 : 2,553,891.99 = 1,076,935.02 : x
  2. Step 2: Convert to fraction form
    1,851,391.42/2,553,891.99 = 1,076,935.02/x
  3. Step 3: Cross multiply
    1,851,391.42x = 2,553,891.99 × 1,076,935.02
  4. Step 4: Simplify right side
    1,851,391.42x = 2,750,375,721,328.49
  5. Step 5: Solve for x
    x = 2,750,375,721,328.49/1,851,391.42
  6. Step 6: Final answer
    x = 1,485,572.25

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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.