Finding the Fourth Proportional to 4,900,963.30, 7,351,444.95 and 4,680,513.70
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Solution
The fourth proportional to 4,900,963.30, 7,351,444.95 and 4,680,513.70 is: 7,020,770.55
Step by Step Solution
- Step 1: Write the proportion equation
4,900,963.30 : 7,351,444.95 = 4,680,513.70 : x - Step 2: Convert to fraction form
4,900,963.30/7,351,444.95 = 4,680,513.70/x - Step 3: Cross multiply
4,900,963.30x = 7,351,444.95 × 4,680,513.70 - Step 4: Simplify right side
4,900,963.30x = 34,408,538,803,270.82 - Step 5: Solve for x
x = 34,408,538,803,270.82/4,900,963.30 - Step 6: Final answer
x = 7,020,770.55
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1.5x scale
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.