Finding the Fourth Proportional to 5,148,967.12, 7,724,152.12 and 2,991,004.88
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Solution
The fourth proportional to 5,148,967.12, 7,724,152.12 and 2,991,004.88 is: 4,486,914.78
Step by Step Solution
- Step 1: Write the proportion equation
5,148,967.12 : 7,724,152.12 = 2,991,004.88 : x - Step 2: Convert to fraction form
5,148,967.12/7,724,152.12 = 2,991,004.88/x - Step 3: Cross multiply
5,148,967.12x = 7,724,152.12 × 2,991,004.88 - Step 4: Simplify right side
5,148,967.12x = 23,102,976,684,782.34 - Step 5: Solve for x
x = 23,102,976,684,782.34/5,148,967.12 - Step 6: Final answer
x = 4,486,914.78
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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.