Finding the Fourth Proportional to 6,425,690.40, 8,867,416.68 and 3,525,006.96
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Solution
The fourth proportional to 6,425,690.40, 8,867,416.68 and 3,525,006.96 is: 4,864,489.82
Step by Step Solution
- Step 1: Write the proportion equation
6,425,690.40 : 8,867,416.68 = 3,525,006.96 : x - Step 2: Convert to fraction form
6,425,690.40/8,867,416.68 = 3,525,006.96/x - Step 3: Cross multiply
6,425,690.40x = 8,867,416.68 × 3,525,006.96 - Step 4: Simplify right side
6,425,690.40x = 31,257,705,514,220.09 - Step 5: Solve for x
x = 31,257,705,514,220.09/6,425,690.40 - Step 6: Final answer
x = 4,864,489.82
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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.