Finding the Fourth Proportional to 6,361,520.68, 8,778,919.14 and 3,460,910.92
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Solution
The fourth proportional to 6,361,520.68, 8,778,919.14 and 3,460,910.92 is: 4,776,068.28
Step by Step Solution
- Step 1: Write the proportion equation
6,361,520.68 : 8,778,919.14 = 3,460,910.92 : x - Step 2: Convert to fraction form
6,361,520.68/8,778,919.14 = 3,460,910.92/x - Step 3: Cross multiply
6,361,520.68x = 8,778,919.14 × 3,460,910.92 - Step 4: Simplify right side
6,361,520.68x = 30,383,057,117,423.01 - Step 5: Solve for x
x = 30,383,057,117,423.01/6,361,520.68 - Step 6: Final answer
x = 4,776,068.28
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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.