Finding the Fourth Proportional to 5,711,815.65, 8,563,237.57 and 3,909,234.19
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Solution
The fourth proportional to 5,711,815.65, 8,563,237.57 and 3,909,234.19 is: 5,860,781.07
Step by Step Solution
- Step 1: Write the proportion equation
5,711,815.65 : 8,563,237.57 = 3,909,234.19 : x - Step 2: Convert to fraction form
5,711,815.65/8,563,237.57 = 3,909,234.19/x - Step 3: Cross multiply
5,711,815.65x = 8,563,237.57 × 3,909,234.19 - Step 4: Simplify right side
5,711,815.65x = 33,475,701,023,374.16 - Step 5: Solve for x
x = 33,475,701,023,374.16/5,711,815.65 - Step 6: Final answer
x = 5,860,781.07
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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.