Finding the Fourth Proportional to 5,439,809.80, 8,159,714.70 and 3,845,486.80
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Solution
The fourth proportional to 5,439,809.80, 8,159,714.70 and 3,845,486.80 is: 5,768,230.20
Step by Step Solution
- Step 1: Write the proportion equation
5,439,809.80 : 8,159,714.70 = 3,845,486.80 : x - Step 2: Convert to fraction form
5,439,809.80/8,159,714.70 = 3,845,486.80/x - Step 3: Cross multiply
5,439,809.80x = 8,159,714.70 × 3,845,486.80 - Step 4: Simplify right side
5,439,809.80x = 31,378,075,170,615.96 - Step 5: Solve for x
x = 31,378,075,170,615.96/5,439,809.80 - Step 6: Final answer
x = 5,768,230.20
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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.