Home / 1,900,308.34-2,622,393.10-1,029,135.98

Finding the Fourth Proportional to 1,900,308.34, 2,622,393.10 and 1,029,135.98

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Solution

The fourth proportional to 1,900,308.34, 2,622,393.10 and 1,029,135.98 is: 1,420,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,308.34 : 2,622,393.10 = 1,029,135.98 : x
  2. Step 2: Convert to fraction form
    1,900,308.34/2,622,393.10 = 1,029,135.98/x
  3. Step 3: Cross multiply
    1,900,308.34x = 2,622,393.10 × 1,029,135.98
  4. Step 4: Simplify right side
    1,900,308.34x = 2,698,799,074,656.09
  5. Step 5: Solve for x
    x = 2,698,799,074,656.09/1,900,308.34
  6. Step 6: Final answer
    x = 1,420,190.09

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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.