Home / 2,012,138.15-3,018,207.23-1,213,008.35

Finding the Fourth Proportional to 2,012,138.15, 3,018,207.23 and 1,213,008.35

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Solution

The fourth proportional to 2,012,138.15, 3,018,207.23 and 1,213,008.35 is: 1,819,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,138.15 : 3,018,207.23 = 1,213,008.35 : x
  2. Step 2: Convert to fraction form
    2,012,138.15/3,018,207.23 = 1,213,008.35/x
  3. Step 3: Cross multiply
    2,012,138.15x = 3,018,207.23 × 1,213,008.35
  4. Step 4: Simplify right side
    2,012,138.15x = 3,661,110,572,020.37
  5. Step 5: Solve for x
    x = 3,661,110,572,020.37/2,012,138.15
  6. Step 6: Final answer
    x = 1,819,512.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.