Finding the Fourth Proportional to 2,305,722.12, 3,181,950.18 and 1,446,318.60
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Solution
The fourth proportional to 2,305,722.12, 3,181,950.18 and 1,446,318.60 is: 1,995,953.32
Step by Step Solution
- Step 1: Write the proportion equation
2,305,722.12 : 3,181,950.18 = 1,446,318.60 : x - Step 2: Convert to fraction form
2,305,722.12/3,181,950.18 = 1,446,318.60/x - Step 3: Cross multiply
2,305,722.12x = 3,181,950.18 × 1,446,318.60 - Step 4: Simplify right side
2,305,722.12x = 4,602,113,729,607.35 - Step 5: Solve for x
x = 4,602,113,729,607.35/2,305,722.12 - Step 6: Final answer
x = 1,995,953.32
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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.