Finding the Fourth Proportional to 5,411,678.52, 8,117,896.68 and 2,173,215.96
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Solution
The fourth proportional to 5,411,678.52, 8,117,896.68 and 2,173,215.96 is: 3,259,976.10
Step by Step Solution
- Step 1: Write the proportion equation
5,411,678.52 : 8,117,896.68 = 2,173,215.96 : x - Step 2: Convert to fraction form
5,411,678.52/8,117,896.68 = 2,173,215.96/x - Step 3: Cross multiply
5,411,678.52x = 8,117,896.68 × 2,173,215.96 - Step 4: Simplify right side
5,411,678.52x = 17,641,942,626,607.01 - Step 5: Solve for x
x = 17,641,942,626,607.01/5,411,678.52 - Step 6: Final answer
x = 3,259,976.10
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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.