Home / 2,076,368.30-3,111,199.05-1,175,129.90

Finding the Fourth Proportional to 2,076,368.30, 3,111,199.05 and 1,175,129.90

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Solution

The fourth proportional to 2,076,368.30, 3,111,199.05 and 1,175,129.90 is: 1,760,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,368.30 : 3,111,199.05 = 1,175,129.90 : x
  2. Step 2: Convert to fraction form
    2,076,368.30/3,111,199.05 = 1,175,129.90/x
  3. Step 3: Cross multiply
    2,076,368.30x = 3,111,199.05 × 1,175,129.90
  4. Step 4: Simplify right side
    2,076,368.30x = 3,656,063,028,506.60
  5. Step 5: Solve for x
    x = 3,656,063,028,506.60/2,076,368.30
  6. Step 6: Final answer
    x = 1,760,796.98

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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.