Home / 1,919,218.25-2,648,522.73-1,230,887.98

Finding the Fourth Proportional to 1,919,218.25, 2,648,522.73 and 1,230,887.98

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Solution

The fourth proportional to 1,919,218.25, 2,648,522.73 and 1,230,887.98 is: 1,698,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,218.25 : 2,648,522.73 = 1,230,887.98 : x
  2. Step 2: Convert to fraction form
    1,919,218.25/2,648,522.73 = 1,230,887.98/x
  3. Step 3: Cross multiply
    1,919,218.25x = 2,648,522.73 × 1,230,887.98
  4. Step 4: Simplify right side
    1,919,218.25x = 3,260,034,796,424.44
  5. Step 5: Solve for x
    x = 3,260,034,796,424.44/1,919,218.25
  6. Step 6: Final answer
    x = 1,698,626.40

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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.