Finding the Fourth Proportional to 1,610,020.54, 2,222,038.96 and 1,038,722.62
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Solution
The fourth proportional to 1,610,020.54, 2,222,038.96 and 1,038,722.62 is: 1,433,573.09
Step by Step Solution
- Step 1: Write the proportion equation
1,610,020.54 : 2,222,038.96 = 1,038,722.62 : x - Step 2: Convert to fraction form
1,610,020.54/2,222,038.96 = 1,038,722.62/x - Step 3: Cross multiply
1,610,020.54x = 2,222,038.96 × 1,038,722.62 - Step 4: Simplify right side
1,610,020.54x = 2,308,082,119,163.08 - Step 5: Solve for x
x = 2,308,082,119,163.08/1,610,020.54 - Step 6: Final answer
x = 1,433,573.09
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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.