Home / 1,900,299.40-2,622,380.74-1,029,127.02

Finding the Fourth Proportional to 1,900,299.40, 2,622,380.74 and 1,029,127.02

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Solution

The fourth proportional to 1,900,299.40, 2,622,380.74 and 1,029,127.02 is: 1,420,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,299.40 : 2,622,380.74 = 1,029,127.02 : x
  2. Step 2: Convert to fraction form
    1,900,299.40/2,622,380.74 = 1,029,127.02/x
  3. Step 3: Cross multiply
    1,900,299.40x = 2,622,380.74 × 1,029,127.02
  4. Step 4: Simplify right side
    1,900,299.40x = 2,698,762,876,261.60
  5. Step 5: Solve for x
    x = 2,698,762,876,261.60/1,900,299.40
  6. Step 6: Final answer
    x = 1,420,177.72

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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.