Finding the Fourth Proportional to 4,889,293.97, 6,746,898.39 and 2,956,620.20
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Solution
The fourth proportional to 4,889,293.97, 6,746,898.39 and 2,956,620.20 is: 4,079,937.96
Step by Step Solution
- Step 1: Write the proportion equation
4,889,293.97 : 6,746,898.39 = 2,956,620.20 : x - Step 2: Convert to fraction form
4,889,293.97/6,746,898.39 = 2,956,620.20/x - Step 3: Cross multiply
4,889,293.97x = 6,746,898.39 × 2,956,620.20 - Step 4: Simplify right side
4,889,293.97x = 19,948,016,067,221.48 - Step 5: Solve for x
x = 19,948,016,067,221.48/4,889,293.97 - Step 6: Final answer
x = 4,079,937.96
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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.