Finding the Fourth Proportional to 5,342,352.66, 7,371,124.29 and 3,167,405.46
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Solution
The fourth proportional to 5,342,352.66, 7,371,124.29 and 3,167,405.46 is: 4,370,235.51
Step by Step Solution
- Step 1: Write the proportion equation
5,342,352.66 : 7,371,124.29 = 3,167,405.46 : x - Step 2: Convert to fraction form
5,342,352.66/7,371,124.29 = 3,167,405.46/x - Step 3: Cross multiply
5,342,352.66x = 7,371,124.29 × 3,167,405.46 - Step 4: Simplify right side
5,342,352.66x = 23,347,339,322,484.62 - Step 5: Solve for x
x = 23,347,339,322,484.62/5,342,352.66 - Step 6: Final answer
x = 4,370,235.51
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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.