Finding the Fourth Proportional to 5,160,618.84, 7,121,836.79 and 2,837,688.28
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Solution
The fourth proportional to 5,160,618.84, 7,121,836.79 and 2,837,688.28 is: 3,916,110.34
Step by Step Solution
- Step 1: Write the proportion equation
5,160,618.84 : 7,121,836.79 = 2,837,688.28 : x - Step 2: Convert to fraction form
5,160,618.84/7,121,836.79 = 2,837,688.28/x - Step 3: Cross multiply
5,160,618.84x = 7,121,836.79 × 2,837,688.28 - Step 4: Simplify right side
5,160,618.84x = 20,209,552,791,055.82 - Step 5: Solve for x
x = 20,209,552,791,055.82/5,160,618.84 - Step 6: Final answer
x = 3,916,110.34
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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.