Finding the Fourth Proportional to 1,664,944.57, 2,297,629.28 and 900,997.93
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Solution
The fourth proportional to 1,664,944.57, 2,297,629.28 and 900,997.93 is: 1,243,380.26
Step by Step Solution
- Step 1: Write the proportion equation
1,664,944.57 : 2,297,629.28 = 900,997.93 : x - Step 2: Convert to fraction form
1,664,944.57/2,297,629.28 = 900,997.93/x - Step 3: Cross multiply
1,664,944.57x = 2,297,629.28 × 900,997.93 - Step 4: Simplify right side
1,664,944.57x = 2,070,159,209,194.25 - Step 5: Solve for x
x = 2,070,159,209,194.25/1,664,944.57 - Step 6: Final answer
x = 1,243,380.26
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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.