Home / 2,597,621.40-3,896,521.20-800,490.60

Finding the Fourth Proportional to 2,597,621.40, 3,896,521.20 and 800,490.60

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Solution

The fourth proportional to 2,597,621.40, 3,896,521.20 and 800,490.60 is: 1,200,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,597,621.40 : 3,896,521.20 = 800,490.60 : x
  2. Step 2: Convert to fraction form
    2,597,621.40/3,896,521.20 = 800,490.60/x
  3. Step 3: Cross multiply
    2,597,621.40x = 3,896,521.20 × 800,490.60
  4. Step 4: Simplify right side
    2,597,621.40x = 3,119,128,593,300.72
  5. Step 5: Solve for x
    x = 3,119,128,593,300.72/2,597,621.40
  6. Step 6: Final answer
    x = 1,200,763.36

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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.