Finding the Fourth Proportional to 6,488,603.92, 8,951,297.16 and 4,197,503.44
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Solution
The fourth proportional to 6,488,603.92, 8,951,297.16 and 4,197,503.44 is: 5,790,629.40
Step by Step Solution
- Step 1: Write the proportion equation
6,488,603.92 : 8,951,297.16 = 4,197,503.44 : x - Step 2: Convert to fraction form
6,488,603.92/8,951,297.16 = 4,197,503.44/x - Step 3: Cross multiply
6,488,603.92x = 8,951,297.16 × 4,197,503.44 - Step 4: Simplify right side
6,488,603.92x = 37,573,100,621,562.23 - Step 5: Solve for x
x = 37,573,100,621,562.23/6,488,603.92 - Step 6: Final answer
x = 5,790,629.40
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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.