Finding the Fourth Proportional to 6,264,920.70, 9,397,381.05 and 2,905,688.70
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Solution
The fourth proportional to 6,264,920.70, 9,397,381.05 and 2,905,688.70 is: 4,358,533.05
Step by Step Solution
- Step 1: Write the proportion equation
6,264,920.70 : 9,397,381.05 = 2,905,688.70 : x - Step 2: Convert to fraction form
6,264,920.70/9,397,381.05 = 2,905,688.70/x - Step 3: Cross multiply
6,264,920.70x = 9,397,381.05 × 2,905,688.70 - Step 4: Simplify right side
6,264,920.70x = 27,305,863,926,579.14 - Step 5: Solve for x
x = 27,305,863,926,579.14/6,264,920.70 - Step 6: Final answer
x = 4,358,533.05
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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.