Finding the Fourth Proportional to 5,170,957.08, 7,759,978.56 and 1,805,164.08
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Solution
The fourth proportional to 5,170,957.08, 7,759,978.56 and 1,805,164.08 is: 2,708,982.95
Step by Step Solution
- Step 1: Write the proportion equation
5,170,957.08 : 7,759,978.56 = 1,805,164.08 : x - Step 2: Convert to fraction form
5,170,957.08/7,759,978.56 = 1,805,164.08/x - Step 3: Cross multiply
5,170,957.08x = 7,759,978.56 × 1,805,164.08 - Step 4: Simplify right side
5,170,957.08x = 14,008,034,558,082.12 - Step 5: Solve for x
x = 14,008,034,558,082.12/5,170,957.08 - Step 6: Final answer
x = 2,708,982.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.