Finding the Fourth Proportional to 5,190,573.44, 7,786,604.65 and 1,596,643.54
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Solution
The fourth proportional to 5,190,573.44, 7,786,604.65 and 1,596,643.54 is: 2,395,194.32
Step by Step Solution
- Step 1: Write the proportion equation
5,190,573.44 : 7,786,604.65 = 1,596,643.54 : x - Step 2: Convert to fraction form
5,190,573.44/7,786,604.65 = 1,596,643.54/x - Step 3: Cross multiply
5,190,573.44x = 7,786,604.65 × 1,596,643.54 - Step 4: Simplify right side
5,190,573.44x = 12,432,432,012,956.46 - Step 5: Solve for x
x = 12,432,432,012,956.46/5,190,573.44 - Step 6: Final answer
x = 2,395,194.32
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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.