Home / 2,012,131.15-3,018,196.73-1,213,001.35

Finding the Fourth Proportional to 2,012,131.15, 3,018,196.73 and 1,213,001.35

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Solution

The fourth proportional to 2,012,131.15, 3,018,196.73 and 1,213,001.35 is: 1,819,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,131.15 : 3,018,196.73 = 1,213,001.35 : x
  2. Step 2: Convert to fraction form
    2,012,131.15/3,018,196.73 = 1,213,001.35/x
  3. Step 3: Cross multiply
    2,012,131.15x = 3,018,196.73 × 1,213,001.35
  4. Step 4: Simplify right side
    2,012,131.15x = 3,661,076,708,055.59
  5. Step 5: Solve for x
    x = 3,661,076,708,055.59/2,012,131.15
  6. Step 6: Final answer
    x = 1,819,502.03

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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.