Finding the Fourth Proportional to 4,286,788.71, 5,913,077.53 and 2,543,223.70
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Solution
The fourth proportional to 4,286,788.71, 5,913,077.53 and 2,543,223.70 is: 3,508,052.28
Step by Step Solution
- Step 1: Write the proportion equation
4,286,788.71 : 5,913,077.53 = 2,543,223.70 : x - Step 2: Convert to fraction form
4,286,788.71/5,913,077.53 = 2,543,223.70/x - Step 3: Cross multiply
4,286,788.71x = 5,913,077.53 × 2,543,223.70 - Step 4: Simplify right side
4,286,788.71x = 15,038,278,893,092.71 - Step 5: Solve for x
x = 15,038,278,893,092.71/4,286,788.71 - Step 6: Final answer
x = 3,508,052.28
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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.