Finding the Fourth Proportional to 4,626,345.12, 6,385,026.68 and 2,665,841.77
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Solution
The fourth proportional to 4,626,345.12, 6,385,026.68 and 2,665,841.77 is: 3,679,247.96
Step by Step Solution
- Step 1: Write the proportion equation
4,626,345.12 : 6,385,026.68 = 2,665,841.77 : x - Step 2: Convert to fraction form
4,626,345.12/6,385,026.68 = 2,665,841.77/x - Step 3: Cross multiply
4,626,345.12x = 6,385,026.68 × 2,665,841.77 - Step 4: Simplify right side
4,626,345.12x = 17,021,470,826,108.42 - Step 5: Solve for x
x = 17,021,470,826,108.42/4,626,345.12 - Step 6: Final answer
x = 3,679,247.96
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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.