Finding the Fourth Proportional to 4,796,323.89, 6,618,847.07 and 2,620,817.06
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Solution
The fourth proportional to 4,796,323.89, 6,618,847.07 and 2,620,817.06 is: 3,616,683.88
Step by Step Solution
- Step 1: Write the proportion equation
4,796,323.89 : 6,618,847.07 = 2,620,817.06 : x - Step 2: Convert to fraction form
4,796,323.89/6,618,847.07 = 2,620,817.06/x - Step 3: Cross multiply
4,796,323.89x = 6,618,847.07 × 2,620,817.06 - Step 4: Simplify right side
4,796,323.89x = 17,346,787,272,388.70 - Step 5: Solve for x
x = 17,346,787,272,388.70/4,796,323.89 - Step 6: Final answer
x = 3,616,683.88
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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.