Finding the Fourth Proportional to 6,149,969.36, 8,487,039.09 and 3,396,648.44
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Solution
The fourth proportional to 6,149,969.36, 8,487,039.09 and 3,396,648.44 is: 4,687,419.79
Step by Step Solution
- Step 1: Write the proportion equation
6,149,969.36 : 8,487,039.09 = 3,396,648.44 : x - Step 2: Convert to fraction form
6,149,969.36/8,487,039.09 = 3,396,648.44/x - Step 3: Cross multiply
6,149,969.36x = 8,487,039.09 × 3,396,648.44 - Step 4: Simplify right side
6,149,969.36x = 28,827,488,085,267.52 - Step 5: Solve for x
x = 28,827,488,085,267.52/6,149,969.36 - Step 6: Final answer
x = 4,687,419.79
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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.