Finding the Fourth Proportional to 5,141,618.05, 7,095,331.45 and 2,818,515.58
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Solution
The fourth proportional to 5,141,618.05, 7,095,331.45 and 2,818,515.58 is: 3,889,495.88
Step by Step Solution
- Step 1: Write the proportion equation
5,141,618.05 : 7,095,331.45 = 2,818,515.58 : x - Step 2: Convert to fraction form
5,141,618.05/7,095,331.45 = 2,818,515.58/x - Step 3: Cross multiply
5,141,618.05x = 7,095,331.45 × 2,818,515.58 - Step 4: Simplify right side
5,141,618.05x = 19,998,302,237,088.99 - Step 5: Solve for x
x = 19,998,302,237,088.99/5,141,618.05 - Step 6: Final answer
x = 3,889,495.88
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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.