Finding the Fourth Proportional to 5,581,261.62, 7,702,983.27 and 3,407,070.42
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Solution
The fourth proportional to 5,581,261.62, 7,702,983.27 and 3,407,070.42 is: 4,702,271.32
Step by Step Solution
- Step 1: Write the proportion equation
5,581,261.62 : 7,702,983.27 = 3,407,070.42 : x - Step 2: Convert to fraction form
5,581,261.62/7,702,983.27 = 3,407,070.42/x - Step 3: Cross multiply
5,581,261.62x = 7,702,983.27 × 3,407,070.42 - Step 4: Simplify right side
5,581,261.62x = 26,244,606,444,971.87 - Step 5: Solve for x
x = 26,244,606,444,971.87/5,581,261.62 - Step 6: Final answer
x = 4,702,271.32
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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.