Finding the Fourth Proportional to 2,212,288.52, 3,052,739.91 and 1,232,194.70
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Solution
The fourth proportional to 2,212,288.52, 3,052,739.91 and 1,232,194.70 is: 1,700,307.12
Step by Step Solution
- Step 1: Write the proportion equation
2,212,288.52 : 3,052,739.91 = 1,232,194.70 : x - Step 2: Convert to fraction form
2,212,288.52/3,052,739.91 = 1,232,194.70/x - Step 3: Cross multiply
2,212,288.52x = 3,052,739.91 × 1,232,194.70 - Step 4: Simplify right side
2,212,288.52x = 3,761,569,922,316.78 - Step 5: Solve for x
x = 3,761,569,922,316.78/2,212,288.52 - Step 6: Final answer
x = 1,700,307.12
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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.