Home / 1,936,336.35-2,672,106.21-1,076,878.11

Finding the Fourth Proportional to 1,936,336.35, 2,672,106.21 and 1,076,878.11

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Solution

The fourth proportional to 1,936,336.35, 2,672,106.21 and 1,076,878.11 is: 1,486,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,336.35 : 2,672,106.21 = 1,076,878.11 : x
  2. Step 2: Convert to fraction form
    1,936,336.35/2,672,106.21 = 1,076,878.11/x
  3. Step 3: Cross multiply
    1,936,336.35x = 2,672,106.21 × 1,076,878.11
  4. Step 4: Simplify right side
    1,936,336.35x = 2,877,532,685,144.06
  5. Step 5: Solve for x
    x = 2,877,532,685,144.06/1,936,336.35
  6. Step 6: Final answer
    x = 1,486,070.68

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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.