Finding the Fourth Proportional to 1,304,437.14, 1,797,363.81 and 1,214,676.18
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Solution
The fourth proportional to 1,304,437.14, 1,797,363.81 and 1,214,676.18 is: 1,673,683.57
Step by Step Solution
- Step 1: Write the proportion equation
1,304,437.14 : 1,797,363.81 = 1,214,676.18 : x - Step 2: Convert to fraction form
1,304,437.14/1,797,363.81 = 1,214,676.18/x - Step 3: Cross multiply
1,304,437.14x = 1,797,363.81 × 1,214,676.18 - Step 4: Simplify right side
1,304,437.14x = 2,183,215,006,801.05 - Step 5: Solve for x
x = 2,183,215,006,801.05/1,304,437.14 - Step 6: Final answer
x = 1,673,683.57
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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.