Home / 1,936,391.64-2,672,254.78-1,076,952.28

Finding the Fourth Proportional to 1,936,391.64, 2,672,254.78 and 1,076,952.28

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Solution

The fourth proportional to 1,936,391.64, 2,672,254.78 and 1,076,952.28 is: 1,486,213.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,391.64 : 2,672,254.78 = 1,076,952.28 : x
  2. Step 2: Convert to fraction form
    1,936,391.64/2,672,254.78 = 1,076,952.28/x
  3. Step 3: Cross multiply
    1,936,391.64x = 2,672,254.78 × 1,076,952.28
  4. Step 4: Simplify right side
    1,936,391.64x = 2,877,890,878,061.90
  5. Step 5: Solve for x
    x = 2,877,890,878,061.90/1,936,391.64
  6. Step 6: Final answer
    x = 1,486,213.23

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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.