Finding the Fourth Proportional to 2,430,074.64, 3,353,604.82 and 1,397,583.12
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Solution
The fourth proportional to 2,430,074.64, 3,353,604.82 and 1,397,583.12 is: 1,928,723.26
Step by Step Solution
- Step 1: Write the proportion equation
2,430,074.64 : 3,353,604.82 = 1,397,583.12 : x - Step 2: Convert to fraction form
2,430,074.64/3,353,604.82 = 1,397,583.12/x - Step 3: Cross multiply
2,430,074.64x = 3,353,604.82 × 1,397,583.12 - Step 4: Simplify right side
2,430,074.64x = 4,686,941,487,582.64 - Step 5: Solve for x
x = 4,686,941,487,582.64/2,430,074.64 - Step 6: Final answer
x = 1,928,723.26
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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.