Finding the Fourth Proportional to 1,526,696.40, 2,106,691.90 and 882,102.75
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Solution
The fourth proportional to 1,526,696.40, 2,106,691.90 and 882,102.75 is: 1,217,215.63
Step by Step Solution
- Step 1: Write the proportion equation
1,526,696.40 : 2,106,691.90 = 882,102.75 : x - Step 2: Convert to fraction form
1,526,696.40/2,106,691.90 = 882,102.75/x - Step 3: Cross multiply
1,526,696.40x = 2,106,691.90 × 882,102.75 - Step 4: Simplify right side
1,526,696.40x = 1,858,318,716,693.36 - Step 5: Solve for x
x = 1,858,318,716,693.36/1,526,696.40 - Step 6: Final answer
x = 1,217,215.63
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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.