Finding the Fourth Proportional to 2,078,453.15, 3,117,642.74 and 658,472.31
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Solution
The fourth proportional to 2,078,453.15, 3,117,642.74 and 658,472.31 is: 987,696.75
Step by Step Solution
- Step 1: Write the proportion equation
2,078,453.15 : 3,117,642.74 = 658,472.31 : x - Step 2: Convert to fraction form
2,078,453.15/3,117,642.74 = 658,472.31/x - Step 3: Cross multiply
2,078,453.15x = 3,117,642.74 × 658,472.31 - Step 4: Simplify right side
2,078,453.15x = 2,052,881,413,470.17 - Step 5: Solve for x
x = 2,052,881,413,470.17/2,078,453.15 - Step 6: Final answer
x = 987,696.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.