Finding the Fourth Proportional to 5,202,881.74, 7,807,013.57 and 3,775,334.70
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Solution
The fourth proportional to 5,202,881.74, 7,807,013.57 and 3,775,334.70 is: 5,664,954.67
Step by Step Solution
- Step 1: Write the proportion equation
5,202,881.74 : 7,807,013.57 = 3,775,334.70 : x - Step 2: Convert to fraction form
5,202,881.74/7,807,013.57 = 3,775,334.70/x - Step 3: Cross multiply
5,202,881.74x = 7,807,013.57 × 3,775,334.70 - Step 4: Simplify right side
5,202,881.74x = 29,474,089,176,280.14 - Step 5: Solve for x
x = 29,474,089,176,280.14/5,202,881.74 - Step 6: Final answer
x = 5,664,954.67
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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.