Finding the Fourth Proportional to 1,620,809.98, 2,431,318.66 and 623,537.98
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Solution
The fourth proportional to 1,620,809.98, 2,431,318.66 and 623,537.98 is: 935,346.86
Step by Step Solution
- Step 1: Write the proportion equation
1,620,809.98 : 2,431,318.66 = 623,537.98 : x - Step 2: Convert to fraction form
1,620,809.98/2,431,318.66 = 623,537.98/x - Step 3: Cross multiply
1,620,809.98x = 2,431,318.66 × 623,537.98 - Step 4: Simplify right side
1,620,809.98x = 1,516,019,525,992.71 - Step 5: Solve for x
x = 1,516,019,525,992.71/1,620,809.98 - Step 6: Final answer
x = 935,346.86
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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.