Home / 6,447,871.20-8,898,120-3,507,752.34

Finding the Fourth Proportional to 6,447,871.20, 8,898,120 and 3,507,752.34

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Solution

The fourth proportional to 6,447,871.20, 8,898,120 and 3,507,752.34 is: 4,840,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447,871.20 : 8,898,120 = 3,507,752.34 : x
  2. Step 2: Convert to fraction form
    6,447,871.20/8,898,120 = 3,507,752.34/x
  3. Step 3: Cross multiply
    6,447,871.20x = 8,898,120 × 3,507,752.34
  4. Step 4: Simplify right side
    6,447,871.20x = 31,212,401,251,600.80
  5. Step 5: Solve for x
    x = 31,212,401,251,600.80/6,447,871.20
  6. Step 6: Final answer
    x = 4,840,729.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.