Finding the Fourth Proportional to 6,518,607.46, 8,994,948.70 and 3,618,120.58
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Solution
The fourth proportional to 6,518,607.46, 8,994,948.70 and 3,618,120.58 is: 4,992,601.44
Step by Step Solution
- Step 1: Write the proportion equation
6,518,607.46 : 8,994,948.70 = 3,618,120.58 : x - Step 2: Convert to fraction form
6,518,607.46/8,994,948.70 = 3,618,120.58/x - Step 3: Cross multiply
6,518,607.46x = 8,994,948.70 × 3,618,120.58 - Step 4: Simplify right side
6,518,607.46x = 32,544,809,007,514.24 - Step 5: Solve for x
x = 32,544,809,007,514.24/6,518,607.46 - Step 6: Final answer
x = 4,992,601.44
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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.