Finding the Fourth Proportional to 3,574,021.08, 4,932,866.49 and 2,123,437.31
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Solution
The fourth proportional to 3,574,021.08, 4,932,866.49 and 2,123,437.31 is: 2,930,769.71
Step by Step Solution
- Step 1: Write the proportion equation
3,574,021.08 : 4,932,866.49 = 2,123,437.31 : x - Step 2: Convert to fraction form
3,574,021.08/4,932,866.49 = 2,123,437.31/x - Step 3: Cross multiply
3,574,021.08x = 4,932,866.49 × 2,123,437.31 - Step 4: Simplify right side
3,574,021.08x = 10,474,632,735,985.77 - Step 5: Solve for x
x = 10,474,632,735,985.77/3,574,021.08 - Step 6: Final answer
x = 2,930,769.71
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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.