Finding the Fourth Proportional to 1,384,001.44, 2,075,823.60 and 437,467.84
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Solution
The fourth proportional to 1,384,001.44, 2,075,823.60 and 437,467.84 is: 656,145.32
Step by Step Solution
- Step 1: Write the proportion equation
1,384,001.44 : 2,075,823.60 = 437,467.84 : x - Step 2: Convert to fraction form
1,384,001.44/2,075,823.60 = 437,467.84/x - Step 3: Cross multiply
1,384,001.44x = 2,075,823.60 × 437,467.84 - Step 4: Simplify right side
1,384,001.44x = 908,106,066,513.02 - Step 5: Solve for x
x = 908,106,066,513.02/1,384,001.44 - Step 6: Final answer
x = 656,145.32
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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.