Finding the Fourth Proportional to 6,896,638.19, 9,517,655.99 and 3,840,852.44
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Solution
The fourth proportional to 6,896,638.19, 9,517,655.99 and 3,840,852.44 is: 5,300,540.82
Step by Step Solution
- Step 1: Write the proportion equation
6,896,638.19 : 9,517,655.99 = 3,840,852.44 : x - Step 2: Convert to fraction form
6,896,638.19/9,517,655.99 = 3,840,852.44/x - Step 3: Cross multiply
6,896,638.19x = 9,517,655.99 × 3,840,852.44 - Step 4: Simplify right side
6,896,638.19x = 36,555,912,232,272.12 - Step 5: Solve for x
x = 36,555,912,232,272.12/6,896,638.19 - Step 6: Final answer
x = 5,300,540.82
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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.