Finding the Fourth Proportional to 5,719,007.81, 8,579,964.87 and 1,620,324.46
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Solution
The fourth proportional to 5,719,007.81, 8,579,964.87 and 1,620,324.46 is: 2,430,898.39
Step by Step Solution
- Step 1: Write the proportion equation
5,719,007.81 : 8,579,964.87 = 1,620,324.46 : x - Step 2: Convert to fraction form
5,719,007.81/8,579,964.87 = 1,620,324.46/x - Step 3: Cross multiply
5,719,007.81x = 8,579,964.87 × 1,620,324.46 - Step 4: Simplify right side
5,719,007.81x = 13,902,326,901,901.89 - Step 5: Solve for x
x = 13,902,326,901,901.89/5,719,007.81 - Step 6: Final answer
x = 2,430,898.39
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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.