Finding the Fourth Proportional to 1,615,534.68, 2,422,135.62 and 492,991.32
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Solution
The fourth proportional to 1,615,534.68, 2,422,135.62 and 492,991.32 is: 739,131.05
Step by Step Solution
- Step 1: Write the proportion equation
1,615,534.68 : 2,422,135.62 = 492,991.32 : x - Step 2: Convert to fraction form
1,615,534.68/2,422,135.62 = 492,991.32/x - Step 3: Cross multiply
1,615,534.68x = 2,422,135.62 × 492,991.32 - Step 4: Simplify right side
1,615,534.68x = 1,194,091,836,522.82 - Step 5: Solve for x
x = 1,194,091,836,522.82/1,615,534.68 - Step 6: Final answer
x = 739,131.05
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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.