Finding the Fourth Proportional to 6,389,249.18, 8,817,119.67 and 3,488,638.37
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Solution
The fourth proportional to 6,389,249.18, 8,817,119.67 and 3,488,638.37 is: 4,814,296.81
Step by Step Solution
- Step 1: Write the proportion equation
6,389,249.18 : 8,817,119.67 = 3,488,638.37 : x - Step 2: Convert to fraction form
6,389,249.18/8,817,119.67 = 3,488,638.37/x - Step 3: Cross multiply
6,389,249.18x = 8,817,119.67 × 3,488,638.37 - Step 4: Simplify right side
6,389,249.18x = 30,759,741,949,558.14 - Step 5: Solve for x
x = 30,759,741,949,558.14/6,389,249.18 - Step 6: Final answer
x = 4,814,296.81
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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.