Finding the Fourth Proportional to 5,707,732.88, 8,562,484.92 and 1,920,920.24
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Solution
The fourth proportional to 5,707,732.88, 8,562,484.92 and 1,920,920.24 is: 2,881,678.41
Step by Step Solution
- Step 1: Write the proportion equation
5,707,732.88 : 8,562,484.92 = 1,920,920.24 : x - Step 2: Convert to fraction form
5,707,732.88/8,562,484.92 = 1,920,920.24/x - Step 3: Cross multiply
5,707,732.88x = 8,562,484.92 × 1,920,920.24 - Step 4: Simplify right side
5,707,732.88x = 16,447,850,587,522.78 - Step 5: Solve for x
x = 16,447,850,587,522.78/5,707,732.88 - Step 6: Final answer
x = 2,881,678.41
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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.