Home / 3,126,881.93-4,691,131.52-1,831,128.53

Finding the Fourth Proportional to 3,126,881.93, 4,691,131.52 and 1,831,128.53

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Solution

The fourth proportional to 3,126,881.93, 4,691,131.52 and 1,831,128.53 is: 2,747,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,881.93 : 4,691,131.52 = 1,831,128.53 : x
  2. Step 2: Convert to fraction form
    3,126,881.93/4,691,131.52 = 1,831,128.53/x
  3. Step 3: Cross multiply
    3,126,881.93x = 4,691,131.52 × 1,831,128.53
  4. Step 4: Simplify right side
    3,126,881.93x = 8,590,064,731,642.96
  5. Step 5: Solve for x
    x = 8,590,064,731,642.96/3,126,881.93
  6. Step 6: Final answer
    x = 2,747,166.33

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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.