Finding the Fourth Proportional to 1,613,920.48, 2,421,243.60 and 492,102.88
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Solution
The fourth proportional to 1,613,920.48, 2,421,243.60 and 492,102.88 is: 738,264.97
Step by Step Solution
- Step 1: Write the proportion equation
1,613,920.48 : 2,421,243.60 = 492,102.88 : x - Step 2: Convert to fraction form
1,613,920.48/2,421,243.60 = 492,102.88/x - Step 3: Cross multiply
1,613,920.48x = 2,421,243.60 × 492,102.88 - Step 4: Simplify right side
1,613,920.48x = 1,191,500,948,741.57 - Step 5: Solve for x
x = 1,191,500,948,741.57/1,613,920.48 - Step 6: Final answer
x = 738,264.97
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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.