Home / 2,158,156.20-3,237,234.30-737,999.40

Finding the Fourth Proportional to 2,158,156.20, 3,237,234.30 and 737,999.40

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Solution

The fourth proportional to 2,158,156.20, 3,237,234.30 and 737,999.40 is: 1,106,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,156.20 : 3,237,234.30 = 737,999.40 : x
  2. Step 2: Convert to fraction form
    2,158,156.20/3,237,234.30 = 737,999.40/x
  3. Step 3: Cross multiply
    2,158,156.20x = 3,237,234.30 × 737,999.40
  4. Step 4: Simplify right side
    2,158,156.20x = 2,389,076,971,059.42
  5. Step 5: Solve for x
    x = 2,389,076,971,059.42/2,158,156.20
  6. Step 6: Final answer
    x = 1,106,999.10

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1.5x scale

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.