Finding the Fourth Proportional to 4,124,697.18, 5,692,766.22 and 2,405,817.66
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Solution
The fourth proportional to 4,124,697.18, 5,692,766.22 and 2,405,817.66 is: 3,320,427.39
Step by Step Solution
- Step 1: Write the proportion equation
4,124,697.18 : 5,692,766.22 = 2,405,817.66 : x - Step 2: Convert to fraction form
4,124,697.18/5,692,766.22 = 2,405,817.66/x - Step 3: Cross multiply
4,124,697.18x = 5,692,766.22 × 2,405,817.66 - Step 4: Simplify right side
4,124,697.18x = 13,695,757,506,327.45 - Step 5: Solve for x
x = 13,695,757,506,327.45/4,124,697.18 - Step 6: Final answer
x = 3,320,427.39
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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.