Home / 2,119,351.79-2,924,782.38-1,214,108.75

Finding the Fourth Proportional to 2,119,351.79, 2,924,782.38 and 1,214,108.75

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Solution

The fourth proportional to 2,119,351.79, 2,924,782.38 and 1,214,108.75 is: 1,675,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,351.79 : 2,924,782.38 = 1,214,108.75 : x
  2. Step 2: Convert to fraction form
    2,119,351.79/2,924,782.38 = 1,214,108.75/x
  3. Step 3: Cross multiply
    2,119,351.79x = 2,924,782.38 × 1,214,108.75
  4. Step 4: Simplify right side
    2,119,351.79x = 3,551,003,879,403.83
  5. Step 5: Solve for x
    x = 3,551,003,879,403.83/2,119,351.79
  6. Step 6: Final answer
    x = 1,675,514.13

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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.