Finding the Fourth Proportional to 2,020,286.92, 2,788,054.73 and 1,102,575.09
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Solution
The fourth proportional to 2,020,286.92, 2,788,054.73 and 1,102,575.09 is: 1,521,585.70
Step by Step Solution
- Step 1: Write the proportion equation
2,020,286.92 : 2,788,054.73 = 1,102,575.09 : x - Step 2: Convert to fraction form
2,020,286.92/2,788,054.73 = 1,102,575.09/x - Step 3: Cross multiply
2,020,286.92x = 2,788,054.73 × 1,102,575.09 - Step 4: Simplify right side
2,020,286.92x = 3,074,039,694,854.68 - Step 5: Solve for x
x = 3,074,039,694,854.68/2,020,286.92 - Step 6: Final answer
x = 1,521,585.70
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1.5x scale
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.