Finding the Fourth Proportional to 1,691,924.34, 2,531,955.79 and 1,212,680.35
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Solution
The fourth proportional to 1,691,924.34, 2,531,955.79 and 1,212,680.35 is: 1,814,769.70
Step by Step Solution
- Step 1: Write the proportion equation
1,691,924.34 : 2,531,955.79 = 1,212,680.35 : x - Step 2: Convert to fraction form
1,691,924.34/2,531,955.79 = 1,212,680.35/x - Step 3: Cross multiply
1,691,924.34x = 2,531,955.79 × 1,212,680.35 - Step 4: Simplify right side
1,691,924.34x = 3,070,453,033,601.73 - Step 5: Solve for x
x = 3,070,453,033,601.73/1,691,924.34 - Step 6: Final answer
x = 1,814,769.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.