Finding the Fourth Proportional to 3,478,009.41, 5,218,515.86 and 1,881,696.24
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Solution
The fourth proportional to 3,478,009.41, 5,218,515.86 and 1,881,696.24 is: 2,823,356.84
Step by Step Solution
- Step 1: Write the proportion equation
3,478,009.41 : 5,218,515.86 = 1,881,696.24 : x - Step 2: Convert to fraction form
3,478,009.41/5,218,515.86 = 1,881,696.24/x - Step 3: Cross multiply
3,478,009.41x = 5,218,515.86 × 1,881,696.24 - Step 4: Simplify right side
3,478,009.41x = 9,819,661,662,733.89 - Step 5: Solve for x
x = 9,819,661,662,733.89/3,478,009.41 - Step 6: Final answer
x = 2,823,356.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.