Home / 1,995,266.45-2,993,198.57-646,980.95

Finding the Fourth Proportional to 1,995,266.45, 2,993,198.57 and 646,980.95

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Solution

The fourth proportional to 1,995,266.45, 2,993,198.57 and 646,980.95 is: 970,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,266.45 : 2,993,198.57 = 646,980.95 : x
  2. Step 2: Convert to fraction form
    1,995,266.45/2,993,198.57 = 646,980.95/x
  3. Step 3: Cross multiply
    1,995,266.45x = 2,993,198.57 × 646,980.95
  4. Step 4: Simplify right side
    1,995,266.45x = 1,936,542,461,031.51
  5. Step 5: Solve for x
    x = 1,936,542,461,031.51/1,995,266.45
  6. Step 6: Final answer
    x = 970,568.35

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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.