Finding the Fourth Proportional to 5,328,773.42, 7,353,702.12 and 2,881,378.62
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Solution
The fourth proportional to 5,328,773.42, 7,353,702.12 and 2,881,378.62 is: 3,976,299.68
Step by Step Solution
- Step 1: Write the proportion equation
5,328,773.42 : 7,353,702.12 = 2,881,378.62 : x - Step 2: Convert to fraction form
5,328,773.42/7,353,702.12 = 2,881,378.62/x - Step 3: Cross multiply
5,328,773.42x = 7,353,702.12 × 2,881,378.62 - Step 4: Simplify right side
5,328,773.42x = 21,188,800,066,416.68 - Step 5: Solve for x
x = 21,188,800,066,416.68/5,328,773.42 - Step 6: Final answer
x = 3,976,299.68
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1.5x scale
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.