Finding the Fourth Proportional to 1,318,582.14, 1,819,427.68 and 866,433.66
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Solution
The fourth proportional to 1,318,582.14, 1,819,427.68 and 866,433.66 is: 1,195,536.73
Step by Step Solution
- Step 1: Write the proportion equation
1,318,582.14 : 1,819,427.68 = 866,433.66 : x - Step 2: Convert to fraction form
1,318,582.14/1,819,427.68 = 866,433.66/x - Step 3: Cross multiply
1,318,582.14x = 1,819,427.68 × 866,433.66 - Step 4: Simplify right side
1,318,582.14x = 1,576,413,383,887.71 - Step 5: Solve for x
x = 1,576,413,383,887.71/1,318,582.14 - Step 6: Final answer
x = 1,195,536.73
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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.