Finding the Fourth Proportional to 2,909,676.36, 4,365,201.42 and 915,132.36
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Solution
The fourth proportional to 2,909,676.36, 4,365,201.42 and 915,132.36 is: 1,372,914.57
Step by Step Solution
- Step 1: Write the proportion equation
2,909,676.36 : 4,365,201.42 = 915,132.36 : x - Step 2: Convert to fraction form
2,909,676.36/4,365,201.42 = 915,132.36/x - Step 3: Cross multiply
2,909,676.36x = 4,365,201.42 × 915,132.36 - Step 4: Simplify right side
2,909,676.36x = 3,994,737,077,359.95 - Step 5: Solve for x
x = 3,994,737,077,359.95/2,909,676.36 - Step 6: Final answer
x = 1,372,914.57
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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.