Home / 2,021,131.30-3,031,696.95-1,855,794.10

Finding the Fourth Proportional to 2,021,131.30, 3,031,696.95 and 1,855,794.10

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Solution

The fourth proportional to 2,021,131.30, 3,031,696.95 and 1,855,794.10 is: 2,783,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,131.30 : 3,031,696.95 = 1,855,794.10 : x
  2. Step 2: Convert to fraction form
    2,021,131.30/3,031,696.95 = 1,855,794.10/x
  3. Step 3: Cross multiply
    2,021,131.30x = 3,031,696.95 × 1,855,794.10
  4. Step 4: Simplify right side
    2,021,131.30x = 5,626,205,312,798.00
  5. Step 5: Solve for x
    x = 5,626,205,312,798.00/2,021,131.30
  6. Step 6: Final answer
    x = 2,783,691.15

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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.