Finding the Fourth Proportional to 5,617,376.19, 7,752,035.21 and 3,039,112.31
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Solution
The fourth proportional to 5,617,376.19, 7,752,035.21 and 3,039,112.31 is: 4,194,005.31
Step by Step Solution
- Step 1: Write the proportion equation
5,617,376.19 : 7,752,035.21 = 3,039,112.31 : x - Step 2: Convert to fraction form
5,617,376.19/7,752,035.21 = 3,039,112.31/x - Step 3: Cross multiply
5,617,376.19x = 7,752,035.21 × 3,039,112.31 - Step 4: Simplify right side
5,617,376.19x = 23,559,305,580,308.70 - Step 5: Solve for x
x = 23,559,305,580,308.70/5,617,376.19 - Step 6: Final answer
x = 4,194,005.31
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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.