Finding the Fourth Proportional to 5,328,773.67, 7,353,702.47 and 2,881,378.87
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Solution
The fourth proportional to 5,328,773.67, 7,353,702.47 and 2,881,378.87 is: 3,976,300.03
Step by Step Solution
- Step 1: Write the proportion equation
5,328,773.67 : 7,353,702.47 = 2,881,378.87 : x - Step 2: Convert to fraction form
5,328,773.67/7,353,702.47 = 2,881,378.87/x - Step 3: Cross multiply
5,328,773.67x = 7,353,702.47 × 2,881,378.87 - Step 4: Simplify right side
5,328,773.67x = 21,188,802,898,917.91 - Step 5: Solve for x
x = 21,188,802,898,917.91/5,328,773.67 - Step 6: Final answer
x = 3,976,300.03
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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.