Finding the Fourth Proportional to 5,509,619.92, 7,605,414.04 and 4,136,927.50
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Solution
The fourth proportional to 5,509,619.92, 7,605,414.04 and 4,136,927.50 is: 5,710,565.69
Step by Step Solution
- Step 1: Write the proportion equation
5,509,619.92 : 7,605,414.04 = 4,136,927.50 : x - Step 2: Convert to fraction form
5,509,619.92/7,605,414.04 = 4,136,927.50/x - Step 3: Cross multiply
5,509,619.92x = 7,605,414.04 × 4,136,927.50 - Step 4: Simplify right side
5,509,619.92x = 31,463,046,490,962.10 - Step 5: Solve for x
x = 31,463,046,490,962.10/5,509,619.92 - Step 6: Final answer
x = 5,710,565.69
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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.