Finding the Fourth Proportional to 2,245,884.12, 3,099,636.18 and 1,429,827.12
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Solution
The fourth proportional to 2,245,884.12, 3,099,636.18 and 1,429,827.12 is: 1,973,362.66
Step by Step Solution
- Step 1: Write the proportion equation
2,245,884.12 : 3,099,636.18 = 1,429,827.12 : x - Step 2: Convert to fraction form
2,245,884.12/3,099,636.18 = 1,429,827.12/x - Step 3: Cross multiply
2,245,884.12x = 3,099,636.18 × 1,429,827.12 - Step 4: Simplify right side
2,245,884.12x = 4,431,943,872,297.20 - Step 5: Solve for x
x = 4,431,943,872,297.20/2,245,884.12 - Step 6: Final answer
x = 1,973,362.66
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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.