Finding the Fourth Proportional to 1,612,417.14, 2,418,975.61 and 490,456.98
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Solution
The fourth proportional to 1,612,417.14, 2,418,975.61 and 490,456.98 is: 735,791.90
Step by Step Solution
- Step 1: Write the proportion equation
1,612,417.14 : 2,418,975.61 = 490,456.98 : x - Step 2: Convert to fraction form
1,612,417.14/2,418,975.61 = 490,456.98/x - Step 3: Cross multiply
1,612,417.14x = 2,418,975.61 × 490,456.98 - Step 4: Simplify right side
1,612,417.14x = 1,186,403,471,148.12 - Step 5: Solve for x
x = 1,186,403,471,148.12/1,612,417.14 - Step 6: Final answer
x = 735,791.90
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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.