Finding the Fourth Proportional to 4,556,470.05, 6,834,711.75 and 1,860,795.42
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Solution
The fourth proportional to 4,556,470.05, 6,834,711.75 and 1,860,795.42 is: 2,791,195.86
Step by Step Solution
- Step 1: Write the proportion equation
4,556,470.05 : 6,834,711.75 = 1,860,795.42 : x - Step 2: Convert to fraction form
4,556,470.05/6,834,711.75 = 1,860,795.42/x - Step 3: Cross multiply
4,556,470.05x = 6,834,711.75 × 1,860,795.42 - Step 4: Simplify right side
4,556,470.05x = 12,718,000,321,420.18 - Step 5: Solve for x
x = 12,718,000,321,420.18/4,556,470.05 - Step 6: Final answer
x = 2,791,195.86
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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.