Home / 1,900,620.21-2,622,835.02-1,029,433.29

Finding the Fourth Proportional to 1,900,620.21, 2,622,835.02 and 1,029,433.29

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Solution

The fourth proportional to 1,900,620.21, 2,622,835.02 and 1,029,433.29 is: 1,420,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,620.21 : 2,622,835.02 = 1,029,433.29 : x
  2. Step 2: Convert to fraction form
    1,900,620.21/2,622,835.02 = 1,029,433.29/x
  3. Step 3: Cross multiply
    1,900,620.21x = 2,622,835.02 × 1,029,433.29
  4. Step 4: Simplify right side
    1,900,620.21x = 2,700,033,683,765.82
  5. Step 5: Solve for x
    x = 2,700,033,683,765.82/1,900,620.21
  6. Step 6: Final answer
    x = 1,420,606.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.