Finding the Fourth Proportional to 2,215,138.68, 3,320,500.68 and 936,068.28
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Solution
The fourth proportional to 2,215,138.68, 3,320,500.68 and 936,068.28 is: 1,403,169.65
Step by Step Solution
- Step 1: Write the proportion equation
2,215,138.68 : 3,320,500.68 = 936,068.28 : x - Step 2: Convert to fraction form
2,215,138.68/3,320,500.68 = 936,068.28/x - Step 3: Cross multiply
2,215,138.68x = 3,320,500.68 × 936,068.28 - Step 4: Simplify right side
2,215,138.68x = 3,108,215,360,266.43 - Step 5: Solve for x
x = 3,108,215,360,266.43/2,215,138.68 - Step 6: Final answer
x = 1,403,169.65
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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.