Finding the Fourth Proportional to 4,436,415.12, 6,122,271.28 and 2,399,224.64
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Solution
The fourth proportional to 4,436,415.12, 6,122,271.28 and 2,399,224.64 is: 3,310,939.96
Step by Step Solution
- Step 1: Write the proportion equation
4,436,415.12 : 6,122,271.28 = 2,399,224.64 : x - Step 2: Convert to fraction form
4,436,415.12/6,122,271.28 = 2,399,224.64/x - Step 3: Cross multiply
4,436,415.12x = 6,122,271.28 × 2,399,224.64 - Step 4: Simplify right side
4,436,415.12x = 14,688,704,107,740.34 - Step 5: Solve for x
x = 14,688,704,107,740.34/4,436,415.12 - Step 6: Final answer
x = 3,310,939.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.