Finding the Fourth Proportional to 4,990,278.96, 6,886,576.80 and 2,814,815.34
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Solution
The fourth proportional to 4,990,278.96, 6,886,576.80 and 2,814,815.34 is: 3,884,440.56
Step by Step Solution
- Step 1: Write the proportion equation
4,990,278.96 : 6,886,576.80 = 2,814,815.34 : x - Step 2: Convert to fraction form
4,990,278.96/6,886,576.80 = 2,814,815.34/x - Step 3: Cross multiply
4,990,278.96x = 6,886,576.80 × 2,814,815.34 - Step 4: Simplify right side
4,990,278.96x = 19,384,442,016,728.11 - Step 5: Solve for x
x = 19,384,442,016,728.11/4,990,278.96 - Step 6: Final answer
x = 3,884,440.56
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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.