Finding the Fourth Proportional to 2,157,108.24, 3,235,203 and 640,380
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Solution
The fourth proportional to 2,157,108.24, 3,235,203 and 640,380 is: 960,433.63
Step by Step Solution
- Step 1: Write the proportion equation
2,157,108.24 : 3,235,203 = 640,380 : x - Step 2: Convert to fraction form
2,157,108.24/3,235,203 = 640,380/x - Step 3: Cross multiply
2,157,108.24x = 3,235,203 × 640,380 - Step 4: Simplify right side
2,157,108.24x = 2,071,759,297,140 - Step 5: Solve for x
x = 2,071,759,297,140/2,157,108.24 - Step 6: Final answer
x = 960,433.63
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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.