Finding the Fourth Proportional to 5,194,107.74, 7,167,904.72 and 2,902,365.02
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Solution
The fourth proportional to 5,194,107.74, 7,167,904.72 and 2,902,365.02 is: 4,005,283.87
Step by Step Solution
- Step 1: Write the proportion equation
5,194,107.74 : 7,167,904.72 = 2,902,365.02 : x - Step 2: Convert to fraction form
5,194,107.74/7,167,904.72 = 2,902,365.02/x - Step 3: Cross multiply
5,194,107.74x = 7,167,904.72 × 2,902,365.02 - Step 4: Simplify right side
5,194,107.74x = 20,803,875,926,020.89 - Step 5: Solve for x
x = 20,803,875,926,020.89/5,194,107.74 - Step 6: Final answer
x = 4,005,283.87
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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.