Home / 1,936,367.64-2,672,149.37-1,076,909.45

Finding the Fourth Proportional to 1,936,367.64, 2,672,149.37 and 1,076,909.45

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Solution

The fourth proportional to 1,936,367.64, 2,672,149.37 and 1,076,909.45 is: 1,486,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,367.64 : 2,672,149.37 = 1,076,909.45 : x
  2. Step 2: Convert to fraction form
    1,936,367.64/2,672,149.37 = 1,076,909.45/x
  3. Step 3: Cross multiply
    1,936,367.64x = 2,672,149.37 × 1,076,909.45
  4. Step 4: Simplify right side
    1,936,367.64x = 2,877,662,889,619.25
  5. Step 5: Solve for x
    x = 2,877,662,889,619.25/1,936,367.64
  6. Step 6: Final answer
    x = 1,486,113.91

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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.