Finding the Fourth Proportional to 6,488,625.92, 8,951,327.52 and 4,197,525.44
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Solution
The fourth proportional to 6,488,625.92, 8,951,327.52 and 4,197,525.44 is: 5,790,659.76
Step by Step Solution
- Step 1: Write the proportion equation
6,488,625.92 : 8,951,327.52 = 4,197,525.44 : x - Step 2: Convert to fraction form
6,488,625.92/8,951,327.52 = 4,197,525.44/x - Step 3: Cross multiply
6,488,625.92x = 8,951,327.52 × 4,197,525.44 - Step 4: Simplify right side
6,488,625.92x = 37,573,424,986,972.11 - Step 5: Solve for x
x = 37,573,424,986,972.11/6,488,625.92 - Step 6: Final answer
x = 5,790,659.76
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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.