Home / 2,076,865.60-3,115,283.28-1,117,771.60

Finding the Fourth Proportional to 2,076,865.60, 3,115,283.28 and 1,117,771.60

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Solution

The fourth proportional to 2,076,865.60, 3,115,283.28 and 1,117,771.60 is: 1,676,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,865.60 : 3,115,283.28 = 1,117,771.60 : x
  2. Step 2: Convert to fraction form
    2,076,865.60/3,115,283.28 = 1,117,771.60/x
  3. Step 3: Cross multiply
    2,076,865.60x = 3,115,283.28 × 1,117,771.60
  4. Step 4: Simplify right side
    2,076,865.60x = 3,482,175,176,338.85
  5. Step 5: Solve for x
    x = 3,482,175,176,338.85/2,076,865.60
  6. Step 6: Final answer
    x = 1,676,649.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.