Finding the Fourth Proportional to 3,436,716.60, 5,153,762.70 and 1,039,764.60
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Solution
The fourth proportional to 3,436,716.60, 5,153,762.70 and 1,039,764.60 is: 1,559,249.90
Step by Step Solution
- Step 1: Write the proportion equation
3,436,716.60 : 5,153,762.70 = 1,039,764.60 : x - Step 2: Convert to fraction form
3,436,716.60/5,153,762.70 = 1,039,764.60/x - Step 3: Cross multiply
3,436,716.60x = 5,153,762.70 × 1,039,764.60 - Step 4: Simplify right side
3,436,716.60x = 5,358,700,012,260.42 - Step 5: Solve for x
x = 5,358,700,012,260.42/3,436,716.60 - Step 6: Final answer
x = 1,559,249.90
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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.