Finding the Fourth Proportional to 3,780,342.19, 5,671,081.91 and 1,220,699.26
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Solution
The fourth proportional to 3,780,342.19, 5,671,081.91 and 1,220,699.26 is: 1,831,232.50
Step by Step Solution
- Step 1: Write the proportion equation
3,780,342.19 : 5,671,081.91 = 1,220,699.26 : x - Step 2: Convert to fraction form
3,780,342.19/5,671,081.91 = 1,220,699.26/x - Step 3: Cross multiply
3,780,342.19x = 5,671,081.91 × 1,220,699.26 - Step 4: Simplify right side
3,780,342.19x = 6,922,685,479,810.43 - Step 5: Solve for x
x = 6,922,685,479,810.43/3,780,342.19 - Step 6: Final answer
x = 1,831,232.50
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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.