Finding the Fourth Proportional to 2,391,934.24, 3,301,669.11 and 1,425,367.72
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Solution
The fourth proportional to 2,391,934.24, 3,301,669.11 and 1,425,367.72 is: 1,967,484.09
Step by Step Solution
- Step 1: Write the proportion equation
2,391,934.24 : 3,301,669.11 = 1,425,367.72 : x - Step 2: Convert to fraction form
2,391,934.24/3,301,669.11 = 1,425,367.72/x - Step 3: Cross multiply
2,391,934.24x = 3,301,669.11 × 1,425,367.72 - Step 4: Simplify right side
2,391,934.24x = 4,706,092,571,515.13 - Step 5: Solve for x
x = 4,706,092,571,515.13/2,391,934.24 - Step 6: Final answer
x = 1,967,484.09
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1.5x scale
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.