Finding the Fourth Proportional to 2,149,465.92, 2,964,583.91 and 1,333,211.91
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Solution
The fourth proportional to 2,149,465.92, 2,964,583.91 and 1,333,211.91 is: 1,838,790.99
Step by Step Solution
- Step 1: Write the proportion equation
2,149,465.92 : 2,964,583.91 = 1,333,211.91 : x - Step 2: Convert to fraction form
2,149,465.92/2,964,583.91 = 1,333,211.91/x - Step 3: Cross multiply
2,149,465.92x = 2,964,583.91 × 1,333,211.91 - Step 4: Simplify right side
2,149,465.92x = 3,952,418,570,340.31 - Step 5: Solve for x
x = 3,952,418,570,340.31/2,149,465.92 - Step 6: Final answer
x = 1,838,790.99
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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.