Finding the Fourth Proportional to 3,536,788.68, 4,881,285.29 and 1,988,177.94
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Solution
The fourth proportional to 3,536,788.68, 4,881,285.29 and 1,988,177.94 is: 2,743,976.14
Step by Step Solution
- Step 1: Write the proportion equation
3,536,788.68 : 4,881,285.29 = 1,988,177.94 : x - Step 2: Convert to fraction form
3,536,788.68/4,881,285.29 = 1,988,177.94/x - Step 3: Cross multiply
3,536,788.68x = 4,881,285.29 × 1,988,177.94 - Step 4: Simplify right side
3,536,788.68x = 9,704,863,737,394.95 - Step 5: Solve for x
x = 9,704,863,737,394.95/3,536,788.68 - Step 6: Final answer
x = 2,743,976.14
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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.