Finding the Fourth Proportional to 4,121,126.40, 6,178,809.60 and 2,437,363.20
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Solution
The fourth proportional to 4,121,126.40, 6,178,809.60 and 2,437,363.20 is: 3,654,341.48
Step by Step Solution
- Step 1: Write the proportion equation
4,121,126.40 : 6,178,809.60 = 2,437,363.20 : x - Step 2: Convert to fraction form
4,121,126.40/6,178,809.60 = 2,437,363.20/x - Step 3: Cross multiply
4,121,126.40x = 6,178,809.60 × 2,437,363.20 - Step 4: Simplify right side
4,121,126.40x = 15,060,003,138,846.72 - Step 5: Solve for x
x = 15,060,003,138,846.72/4,121,126.40 - Step 6: Final answer
x = 3,654,341.48
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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.