Home / 5,271,186.40-7,916,110.80-4,076,015.20

Finding the Fourth Proportional to 5,271,186.40, 7,916,110.80 and 4,076,015.20

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Solution

The fourth proportional to 5,271,186.40, 7,916,110.80 and 4,076,015.20 is: 6,121,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271,186.40 : 7,916,110.80 = 4,076,015.20 : x
  2. Step 2: Convert to fraction form
    5,271,186.40/7,916,110.80 = 4,076,015.20/x
  3. Step 3: Cross multiply
    5,271,186.40x = 7,916,110.80 × 4,076,015.20
  4. Step 4: Simplify right side
    5,271,186.40x = 32,266,187,945,684.16
  5. Step 5: Solve for x
    x = 32,266,187,945,684.16/5,271,186.40
  6. Step 6: Final answer
    x = 6,121,238.27

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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.