Finding the Fourth Proportional to 3,894,930.63, 5,374,905.24 and 2,176,064.05
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Solution
The fourth proportional to 3,894,930.63, 5,374,905.24 and 2,176,064.05 is: 3,002,913.06
Step by Step Solution
- Step 1: Write the proportion equation
3,894,930.63 : 5,374,905.24 = 2,176,064.05 : x - Step 2: Convert to fraction form
3,894,930.63/5,374,905.24 = 2,176,064.05/x - Step 3: Cross multiply
3,894,930.63x = 5,374,905.24 × 2,176,064.05 - Step 4: Simplify right side
3,894,930.63x = 11,696,138,064,920.62 - Step 5: Solve for x
x = 11,696,138,064,920.62/3,894,930.63 - Step 6: Final answer
x = 3,002,913.06
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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.