Finding the Fourth Proportional to 3,951,215.87, 5,927,843.84 and 1,218,701.84
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Solution
The fourth proportional to 3,951,215.87, 5,927,843.84 and 1,218,701.84 is: 1,828,367.37
Step by Step Solution
- Step 1: Write the proportion equation
3,951,215.87 : 5,927,843.84 = 1,218,701.84 : x - Step 2: Convert to fraction form
3,951,215.87/5,927,843.84 = 1,218,701.84/x - Step 3: Cross multiply
3,951,215.87x = 5,927,843.84 × 1,218,701.84 - Step 4: Simplify right side
3,951,215.87x = 7,224,274,159,307.94 - Step 5: Solve for x
x = 7,224,274,159,307.94/3,951,215.87 - Step 6: Final answer
x = 1,828,367.37
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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.