Finding the Fourth Proportional to 4,921,494.09, 6,791,680.62 and 2,746,128.93
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Solution
The fourth proportional to 4,921,494.09, 6,791,680.62 and 2,746,128.93 is: 3,789,668.40
Step by Step Solution
- Step 1: Write the proportion equation
4,921,494.09 : 6,791,680.62 = 2,746,128.93 : x - Step 2: Convert to fraction form
4,921,494.09/6,791,680.62 = 2,746,128.93/x - Step 3: Cross multiply
4,921,494.09x = 6,791,680.62 × 2,746,128.93 - Step 4: Simplify right side
4,921,494.09x = 18,650,830,633,902.34 - Step 5: Solve for x
x = 18,650,830,633,902.34/4,921,494.09 - Step 6: Final answer
x = 3,789,668.40
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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.