Finding the Fourth Proportional to 4,781,965.82, 7,173,379.49 and 1,543,580.26
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Solution
The fourth proportional to 4,781,965.82, 7,173,379.49 and 1,543,580.26 is: 2,315,509.44
Step by Step Solution
- Step 1: Write the proportion equation
4,781,965.82 : 7,173,379.49 = 1,543,580.26 : x - Step 2: Convert to fraction form
4,781,965.82/7,173,379.49 = 1,543,580.26/x - Step 3: Cross multiply
4,781,965.82x = 7,173,379.49 × 1,543,580.26 - Step 4: Simplify right side
4,781,965.82x = 11,072,686,978,252.87 - Step 5: Solve for x
x = 11,072,686,978,252.87/4,781,965.82 - Step 6: Final answer
x = 2,315,509.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.