Home / 2,018,946.60-3,031,044.30-1,620,037.80

Finding the Fourth Proportional to 2,018,946.60, 3,031,044.30 and 1,620,037.80

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Solution

The fourth proportional to 2,018,946.60, 3,031,044.30 and 1,620,037.80 is: 2,432,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,946.60 : 3,031,044.30 = 1,620,037.80 : x
  2. Step 2: Convert to fraction form
    2,018,946.60/3,031,044.30 = 1,620,037.80/x
  3. Step 3: Cross multiply
    2,018,946.60x = 3,031,044.30 × 1,620,037.80
  4. Step 4: Simplify right side
    2,018,946.60x = 4,910,406,339,474.54
  5. Step 5: Solve for x
    x = 4,910,406,339,474.54/2,018,946.60
  6. Step 6: Final answer
    x = 2,432,162.56

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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.