Home / 5,545,477.80-8,318,216.70-3,148,396.20

Finding the Fourth Proportional to 5,545,477.80, 8,318,216.70 and 3,148,396.20

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Solution

The fourth proportional to 5,545,477.80, 8,318,216.70 and 3,148,396.20 is: 4,722,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545,477.80 : 8,318,216.70 = 3,148,396.20 : x
  2. Step 2: Convert to fraction form
    5,545,477.80/8,318,216.70 = 3,148,396.20/x
  3. Step 3: Cross multiply
    5,545,477.80x = 8,318,216.70 × 3,148,396.20
  4. Step 4: Simplify right side
    5,545,477.80x = 26,189,041,849,056.54
  5. Step 5: Solve for x
    x = 26,189,041,849,056.54/5,545,477.80
  6. Step 6: Final answer
    x = 4,722,594.30

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Similar ratio
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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.