Finding the Fourth Proportional to 4,512,838.40, 6,227,680.70 and 2,447,848.84
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Solution
The fourth proportional to 4,512,838.40, 6,227,680.70 and 2,447,848.84 is: 3,378,011.71
Step by Step Solution
- Step 1: Write the proportion equation
4,512,838.40 : 6,227,680.70 = 2,447,848.84 : x - Step 2: Convert to fraction form
4,512,838.40/6,227,680.70 = 2,447,848.84/x - Step 3: Cross multiply
4,512,838.40x = 6,227,680.70 × 2,447,848.84 - Step 4: Simplify right side
4,512,838.40x = 15,244,420,977,385.39 - Step 5: Solve for x
x = 15,244,420,977,385.39/4,512,838.40 - Step 6: Final answer
x = 3,378,011.71
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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.