Finding the Fourth Proportional to 4,161,129.12, 6,241,810.32 and 2,032,915.68
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Solution
The fourth proportional to 4,161,129.12, 6,241,810.32 and 2,032,915.68 is: 3,049,430.50
Step by Step Solution
- Step 1: Write the proportion equation
4,161,129.12 : 6,241,810.32 = 2,032,915.68 : x - Step 2: Convert to fraction form
4,161,129.12/6,241,810.32 = 2,032,915.68/x - Step 3: Cross multiply
4,161,129.12x = 6,241,810.32 × 2,032,915.68 - Step 4: Simplify right side
4,161,129.12x = 12,689,074,071,113.82 - Step 5: Solve for x
x = 12,689,074,071,113.82/4,161,129.12 - Step 6: Final answer
x = 3,049,430.50
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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.