Finding the Fourth Proportional to 3,626,898.96, 5,005,153.08 and 1,973,082.12
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Solution
The fourth proportional to 3,626,898.96, 5,005,153.08 and 1,973,082.12 is: 2,722,871.01
Step by Step Solution
- Step 1: Write the proportion equation
3,626,898.96 : 5,005,153.08 = 1,973,082.12 : x - Step 2: Convert to fraction form
3,626,898.96/5,005,153.08 = 1,973,082.12/x - Step 3: Cross multiply
3,626,898.96x = 5,005,153.08 × 1,973,082.12 - Step 4: Simplify right side
3,626,898.96x = 9,875,578,050,010.93 - Step 5: Solve for x
x = 9,875,578,050,010.93/3,626,898.96 - Step 6: Final answer
x = 2,722,871.01
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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.