Finding the Fourth Proportional to 3,089,448.43, 4,263,690.32 and 1,713,223.09
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Solution
The fourth proportional to 3,089,448.43, 4,263,690.32 and 1,713,223.09 is: 2,364,387.32
Step by Step Solution
- Step 1: Write the proportion equation
3,089,448.43 : 4,263,690.32 = 1,713,223.09 : x - Step 2: Convert to fraction form
3,089,448.43/4,263,690.32 = 1,713,223.09/x - Step 3: Cross multiply
3,089,448.43x = 4,263,690.32 × 1,713,223.09 - Step 4: Simplify right side
3,089,448.43x = 7,304,652,704,833.49 - Step 5: Solve for x
x = 7,304,652,704,833.49/3,089,448.43 - Step 6: Final answer
x = 2,364,387.32
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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.