Home / 1,936,388.64-2,672,250.64-1,076,949.28

Finding the Fourth Proportional to 1,936,388.64, 2,672,250.64 and 1,076,949.28

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Solution

The fourth proportional to 1,936,388.64, 2,672,250.64 and 1,076,949.28 is: 1,486,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,388.64 : 2,672,250.64 = 1,076,949.28 : x
  2. Step 2: Convert to fraction form
    1,936,388.64/2,672,250.64 = 1,076,949.28/x
  3. Step 3: Cross multiply
    1,936,388.64x = 2,672,250.64 × 1,076,949.28
  4. Step 4: Simplify right side
    1,936,388.64x = 2,877,878,402,727.54
  5. Step 5: Solve for x
    x = 2,877,878,402,727.54/1,936,388.64
  6. Step 6: Final answer
    x = 1,486,209.09

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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.