Finding the Fourth Proportional to 2,986,400.64, 4,121,130.24 and 1,697,218.56
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Solution
The fourth proportional to 2,986,400.64, 4,121,130.24 and 1,697,218.56 is: 2,342,103.28
Step by Step Solution
- Step 1: Write the proportion equation
2,986,400.64 : 4,121,130.24 = 1,697,218.56 : x - Step 2: Convert to fraction form
2,986,400.64/4,121,130.24 = 1,697,218.56/x - Step 3: Cross multiply
2,986,400.64x = 4,121,130.24 × 1,697,218.56 - Step 4: Simplify right side
2,986,400.64x = 6,994,458,731,505.26 - Step 5: Solve for x
x = 6,994,458,731,505.26/2,986,400.64 - Step 6: Final answer
x = 2,342,103.28
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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.