Home / 3,192,303.60-4,788,455.40-2,123,881.20

Finding the Fourth Proportional to 3,192,303.60, 4,788,455.40 and 2,123,881.20

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Solution

The fourth proportional to 3,192,303.60, 4,788,455.40 and 2,123,881.20 is: 3,185,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,303.60 : 4,788,455.40 = 2,123,881.20 : x
  2. Step 2: Convert to fraction form
    3,192,303.60/4,788,455.40 = 2,123,881.20/x
  3. Step 3: Cross multiply
    3,192,303.60x = 4,788,455.40 × 2,123,881.20
  4. Step 4: Simplify right side
    3,192,303.60x = 10,170,110,401,098.48
  5. Step 5: Solve for x
    x = 10,170,110,401,098.48/3,192,303.60
  6. Step 6: Final answer
    x = 3,185,821.80

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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.