Finding the Fourth Proportional to 3,678,744.13, 5,518,946.60 and 1,120,187.86
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Solution
The fourth proportional to 3,678,744.13, 5,518,946.60 and 1,120,187.86 is: 1,680,534.65
Step by Step Solution
- Step 1: Write the proportion equation
3,678,744.13 : 5,518,946.60 = 1,120,187.86 : x - Step 2: Convert to fraction form
3,678,744.13/5,518,946.60 = 1,120,187.86/x - Step 3: Cross multiply
3,678,744.13x = 5,518,946.60 × 1,120,187.86 - Step 4: Simplify right side
3,678,744.13x = 6,182,256,981,308.28 - Step 5: Solve for x
x = 6,182,256,981,308.28/3,678,744.13 - Step 6: Final answer
x = 1,680,534.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.