Home / 2,840,240.20-4,260,381.90-946,978.60

Finding the Fourth Proportional to 2,840,240.20, 4,260,381.90 and 946,978.60

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Solution

The fourth proportional to 2,840,240.20, 4,260,381.90 and 946,978.60 is: 1,420,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,240.20 : 4,260,381.90 = 946,978.60 : x
  2. Step 2: Convert to fraction form
    2,840,240.20/4,260,381.90 = 946,978.60/x
  3. Step 3: Cross multiply
    2,840,240.20x = 4,260,381.90 × 946,978.60
  4. Step 4: Simplify right side
    2,840,240.20x = 4,034,490,487,127.34
  5. Step 5: Solve for x
    x = 4,034,490,487,127.34/2,840,240.20
  6. Step 6: Final answer
    x = 1,420,475.10

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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.