Finding the Fourth Proportional to 6,449,590.90, 8,900,166.65 and 3,509,419.53
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Solution
The fourth proportional to 6,449,590.90, 8,900,166.65 and 3,509,419.53 is: 4,842,852.70
Step by Step Solution
- Step 1: Write the proportion equation
6,449,590.90 : 8,900,166.65 = 3,509,419.53 : x - Step 2: Convert to fraction form
6,449,590.90/8,900,166.65 = 3,509,419.53/x - Step 3: Cross multiply
6,449,590.90x = 8,900,166.65 × 3,509,419.53 - Step 4: Simplify right side
6,449,590.90x = 31,234,418,661,764.68 - Step 5: Solve for x
x = 31,234,418,661,764.68/6,449,590.90 - Step 6: Final answer
x = 4,842,852.70
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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.