Finding the Fourth Proportional to 6,726,945.63, 9,283,486.80 and 3,787,773.45
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Solution
The fourth proportional to 6,726,945.63, 9,283,486.80 and 3,787,773.45 is: 5,227,297.31
Step by Step Solution
- Step 1: Write the proportion equation
6,726,945.63 : 9,283,486.80 = 3,787,773.45 : x - Step 2: Convert to fraction form
6,726,945.63/9,283,486.80 = 3,787,773.45/x - Step 3: Cross multiply
6,726,945.63x = 9,283,486.80 × 3,787,773.45 - Step 4: Simplify right side
6,726,945.63x = 35,163,744,778,048.03 - Step 5: Solve for x
x = 35,163,744,778,048.03/6,726,945.63 - Step 6: Final answer
x = 5,227,297.31
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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.