Finding the Fourth Proportional to 3,567,215.70, 5,341,966.20 and 2,858,627.70
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Solution
The fourth proportional to 3,567,215.70, 5,341,966.20 and 2,858,627.70 is: 4,280,843.61
Step by Step Solution
- Step 1: Write the proportion equation
3,567,215.70 : 5,341,966.20 = 2,858,627.70 : x - Step 2: Convert to fraction form
3,567,215.70/5,341,966.20 = 2,858,627.70/x - Step 3: Cross multiply
3,567,215.70x = 5,341,966.20 × 2,858,627.70 - Step 4: Simplify right side
3,567,215.70x = 15,270,692,551,783.74 - Step 5: Solve for x
x = 15,270,692,551,783.74/3,567,215.70 - Step 6: Final answer
x = 4,280,843.61
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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.