Finding the Fourth Proportional to 2,185,216.24, 3,015,811.58 and 1,632,972.96
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Solution
The fourth proportional to 2,185,216.24, 3,015,811.58 and 1,632,972.96 is: 2,253,661.98
Step by Step Solution
- Step 1: Write the proportion equation
2,185,216.24 : 3,015,811.58 = 1,632,972.96 : x - Step 2: Convert to fraction form
2,185,216.24/3,015,811.58 = 1,632,972.96/x - Step 3: Cross multiply
2,185,216.24x = 3,015,811.58 × 1,632,972.96 - Step 4: Simplify right side
2,185,216.24x = 4,924,738,757,344.74 - Step 5: Solve for x
x = 4,924,738,757,344.74/2,185,216.24 - Step 6: Final answer
x = 2,253,661.98
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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.