Finding the Fourth Proportional to 4,888,902.71, 6,746,556.06 and 2,713,389.72
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Solution
The fourth proportional to 4,888,902.71, 6,746,556.06 and 2,713,389.72 is: 3,744,405.84
Step by Step Solution
- Step 1: Write the proportion equation
4,888,902.71 : 6,746,556.06 = 2,713,389.72 : x - Step 2: Convert to fraction form
4,888,902.71/6,746,556.06 = 2,713,389.72/x - Step 3: Cross multiply
4,888,902.71x = 6,746,556.06 × 2,713,389.72 - Step 4: Simplify right side
4,888,902.71x = 18,306,035,858,607.70 - Step 5: Solve for x
x = 18,306,035,858,607.70/4,888,902.71 - Step 6: Final answer
x = 3,744,405.84
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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.