Home / 5,477,439.37-8,216,906.73-2,281,818.21

Finding the Fourth Proportional to 5,477,439.37, 8,216,906.73 and 2,281,818.21

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Solution

The fourth proportional to 5,477,439.37, 8,216,906.73 and 2,281,818.21 is: 3,423,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477,439.37 : 8,216,906.73 = 2,281,818.21 : x
  2. Step 2: Convert to fraction form
    5,477,439.37/8,216,906.73 = 2,281,818.21/x
  3. Step 3: Cross multiply
    5,477,439.37x = 8,216,906.73 × 2,281,818.21
  4. Step 4: Simplify right side
    5,477,439.37x = 18,749,487,406,385.55
  5. Step 5: Solve for x
    x = 18,749,487,406,385.55/5,477,439.37
  6. Step 6: Final answer
    x = 3,423,038.79

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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.