Finding the Fourth Proportional to 1,606,979.44, 2,217,082.35 and 918,157.06
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Solution
The fourth proportional to 1,606,979.44, 2,217,082.35 and 918,157.06 is: 1,266,742.91
Step by Step Solution
- Step 1: Write the proportion equation
1,606,979.44 : 2,217,082.35 = 918,157.06 : x - Step 2: Convert to fraction form
1,606,979.44/2,217,082.35 = 918,157.06/x - Step 3: Cross multiply
1,606,979.44x = 2,217,082.35 × 918,157.06 - Step 4: Simplify right side
1,606,979.44x = 2,035,629,812,253.89 - Step 5: Solve for x
x = 2,035,629,812,253.89/1,606,979.44 - Step 6: Final answer
x = 1,266,742.91
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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.