Home / 2,851,490.20-4,277,235.30-856,946.20

Finding the Fourth Proportional to 2,851,490.20, 4,277,235.30 and 856,946.20

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Solution

The fourth proportional to 2,851,490.20, 4,277,235.30 and 856,946.20 is: 1,285,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,490.20 : 4,277,235.30 = 856,946.20 : x
  2. Step 2: Convert to fraction form
    2,851,490.20/4,277,235.30 = 856,946.20/x
  3. Step 3: Cross multiply
    2,851,490.20x = 4,277,235.30 × 856,946.20
  4. Step 4: Simplify right side
    2,851,490.20x = 3,665,360,536,840.86
  5. Step 5: Solve for x
    x = 3,665,360,536,840.86/2,851,490.20
  6. Step 6: Final answer
    x = 1,285,419.30

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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.