Finding the Fourth Proportional to 2,891,904.15, 3,990,828.11 and 1,602,827.76
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Solution
The fourth proportional to 2,891,904.15, 3,990,828.11 and 1,602,827.76 is: 2,211,902.52
Step by Step Solution
- Step 1: Write the proportion equation
2,891,904.15 : 3,990,828.11 = 1,602,827.76 : x - Step 2: Convert to fraction form
2,891,904.15/3,990,828.11 = 1,602,827.76/x - Step 3: Cross multiply
2,891,904.15x = 3,990,828.11 × 1,602,827.76 - Step 4: Simplify right side
2,891,904.15x = 6,396,610,080,096.33 - Step 5: Solve for x
x = 6,396,610,080,096.33/2,891,904.15 - Step 6: Final answer
x = 2,211,902.52
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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.