Finding the Fourth Proportional to 4,320,877.46, 6,481,318.35 and 1,125,995.54
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Solution
The fourth proportional to 4,320,877.46, 6,481,318.35 and 1,125,995.54 is: 1,688,993.87
Step by Step Solution
- Step 1: Write the proportion equation
4,320,877.46 : 6,481,318.35 = 1,125,995.54 : x - Step 2: Convert to fraction form
4,320,877.46/6,481,318.35 = 1,125,995.54/x - Step 3: Cross multiply
4,320,877.46x = 6,481,318.35 × 1,125,995.54 - Step 4: Simplify right side
4,320,877.46x = 7,297,935,555,420.16 - Step 5: Solve for x
x = 7,297,935,555,420.16/4,320,877.46 - Step 6: Final answer
x = 1,688,993.87
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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.