Finding the Fourth Proportional to 4,121,340.48, 6,181,941.60 and 1,129,524.48
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Solution
The fourth proportional to 4,121,340.48, 6,181,941.60 and 1,129,524.48 is: 1,694,267.78
Step by Step Solution
- Step 1: Write the proportion equation
4,121,340.48 : 6,181,941.60 = 1,129,524.48 : x - Step 2: Convert to fraction form
4,121,340.48/6,181,941.60 = 1,129,524.48/x - Step 3: Cross multiply
4,121,340.48x = 6,181,941.60 × 1,129,524.48 - Step 4: Simplify right side
4,121,340.48x = 6,982,654,371,130.37 - Step 5: Solve for x
x = 6,982,654,371,130.37/4,121,340.48 - Step 6: Final answer
x = 1,694,267.78
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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.