Finding the Fourth Proportional to 6,438,394.52, 8,884,981.92 and 3,537,972.44
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Solution
The fourth proportional to 6,438,394.52, 8,884,981.92 and 3,537,972.44 is: 4,882,400.58
Step by Step Solution
- Step 1: Write the proportion equation
6,438,394.52 : 8,884,981.92 = 3,537,972.44 : x - Step 2: Convert to fraction form
6,438,394.52/8,884,981.92 = 3,537,972.44/x - Step 3: Cross multiply
6,438,394.52x = 8,884,981.92 × 3,537,972.44 - Step 4: Simplify right side
6,438,394.52x = 31,434,821,162,858.29 - Step 5: Solve for x
x = 31,434,821,162,858.29/6,438,394.52 - Step 6: Final answer
x = 4,882,400.58
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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.