Home / 5,480,686.40-8,228,416.80-3,208,539.20

Finding the Fourth Proportional to 5,480,686.40, 8,228,416.80 and 3,208,539.20

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Solution

The fourth proportional to 5,480,686.40, 8,228,416.80 and 3,208,539.20 is: 4,817,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480,686.40 : 8,228,416.80 = 3,208,539.20 : x
  2. Step 2: Convert to fraction form
    5,480,686.40/8,228,416.80 = 3,208,539.20/x
  3. Step 3: Cross multiply
    5,480,686.40x = 8,228,416.80 × 3,208,539.20
  4. Step 4: Simplify right side
    5,480,686.40x = 26,401,197,856,738.56
  5. Step 5: Solve for x
    x = 26,401,197,856,738.56/5,480,686.40
  6. Step 6: Final answer
    x = 4,817,133.46

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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.