Home / 1,789,995.21-2,684,160.38-651,965.16

Finding the Fourth Proportional to 1,789,995.21, 2,684,160.38 and 651,965.16

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Solution

The fourth proportional to 1,789,995.21, 2,684,160.38 and 651,965.16 is: 977,644.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,995.21 : 2,684,160.38 = 651,965.16 : x
  2. Step 2: Convert to fraction form
    1,789,995.21/2,684,160.38 = 651,965.16/x
  3. Step 3: Cross multiply
    1,789,995.21x = 2,684,160.38 × 651,965.16
  4. Step 4: Simplify right side
    1,789,995.21x = 1,749,979,048,352.54
  5. Step 5: Solve for x
    x = 1,749,979,048,352.54/1,789,995.21
  6. Step 6: Final answer
    x = 977,644.54

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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.