Finding the Fourth Proportional to 2,831,070.30, 4,246,605.45 and 809,310.30
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Solution
The fourth proportional to 2,831,070.30, 4,246,605.45 and 809,310.30 is: 1,213,965.45
Step by Step Solution
- Step 1: Write the proportion equation
2,831,070.30 : 4,246,605.45 = 809,310.30 : x - Step 2: Convert to fraction form
2,831,070.30/4,246,605.45 = 809,310.30/x - Step 3: Cross multiply
2,831,070.30x = 4,246,605.45 × 809,310.30 - Step 4: Simplify right side
2,831,070.30x = 3,436,821,530,721.14 - Step 5: Solve for x
x = 3,436,821,530,721.14/2,831,070.30 - Step 6: Final answer
x = 1,213,965.45
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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.