Finding the Fourth Proportional to 1,526,935.62, 2,106,567.20 and 882,237.18
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Solution
The fourth proportional to 1,526,935.62, 2,106,567.20 and 882,237.18 is: 1,217,138.35
Step by Step Solution
- Step 1: Write the proportion equation
1,526,935.62 : 2,106,567.20 = 882,237.18 : x - Step 2: Convert to fraction form
1,526,935.62/2,106,567.20 = 882,237.18/x - Step 3: Cross multiply
1,526,935.62x = 2,106,567.20 × 882,237.18 - Step 4: Simplify right side
1,526,935.62x = 1,858,491,906,008.50 - Step 5: Solve for x
x = 1,858,491,906,008.50/1,526,935.62 - Step 6: Final answer
x = 1,217,138.35
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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.