Finding the Fourth Proportional to 1,668,161.24, 2,301,919.43 and 970,571.12
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Solution
The fourth proportional to 1,668,161.24, 2,301,919.43 and 970,571.12 is: 1,339,304.89
Step by Step Solution
- Step 1: Write the proportion equation
1,668,161.24 : 2,301,919.43 = 970,571.12 : x - Step 2: Convert to fraction form
1,668,161.24/2,301,919.43 = 970,571.12/x - Step 3: Cross multiply
1,668,161.24x = 2,301,919.43 × 970,571.12 - Step 4: Simplify right side
1,668,161.24x = 2,234,176,502,962.41 - Step 5: Solve for x
x = 2,234,176,502,962.41/1,668,161.24 - Step 6: Final answer
x = 1,339,304.89
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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.