Finding the Fourth Proportional to 3,582,342.70, 4,938,410.37 and 2,721,408.28
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Solution
The fourth proportional to 3,582,342.70, 4,938,410.37 and 2,721,408.28 is: 3,751,575.99
Step by Step Solution
- Step 1: Write the proportion equation
3,582,342.70 : 4,938,410.37 = 2,721,408.28 : x - Step 2: Convert to fraction form
3,582,342.70/4,938,410.37 = 2,721,408.28/x - Step 3: Cross multiply
3,582,342.70x = 4,938,410.37 × 2,721,408.28 - Step 4: Simplify right side
3,582,342.70x = 13,439,430,870,955.86 - Step 5: Solve for x
x = 13,439,430,870,955.86/3,582,342.70 - Step 6: Final answer
x = 3,751,575.99
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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.