Finding the Fourth Proportional to 5,230,361.21, 7,830,927.18 and 2,825,590.68
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Solution
The fourth proportional to 5,230,361.21, 7,830,927.18 and 2,825,590.68 is: 4,230,490.78
Step by Step Solution
- Step 1: Write the proportion equation
5,230,361.21 : 7,830,927.18 = 2,825,590.68 : x - Step 2: Convert to fraction form
5,230,361.21/7,830,927.18 = 2,825,590.68/x - Step 3: Cross multiply
5,230,361.21x = 7,830,927.18 × 2,825,590.68 - Step 4: Simplify right side
5,230,361.21x = 22,126,994,855,566.68 - Step 5: Solve for x
x = 22,126,994,855,566.68/5,230,361.21 - Step 6: Final answer
x = 4,230,490.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.