Finding the Fourth Proportional to 4,160,243.16, 6,240,678.21 and 1,242,105.03
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Solution
The fourth proportional to 4,160,243.16, 6,240,678.21 and 1,242,105.03 is: 1,863,251.14
Step by Step Solution
- Step 1: Write the proportion equation
4,160,243.16 : 6,240,678.21 = 1,242,105.03 : x - Step 2: Convert to fraction form
4,160,243.16/6,240,678.21 = 1,242,105.03/x - Step 3: Cross multiply
4,160,243.16x = 6,240,678.21 × 1,242,105.03 - Step 4: Simplify right side
4,160,243.16x = 7,751,577,795,252.40 - Step 5: Solve for x
x = 7,751,577,795,252.40/4,160,243.16 - Step 6: Final answer
x = 1,863,251.14
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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.