Finding the Fourth Proportional to 1,532,629.23, 2,115,028.35 and 853,565.73
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Solution
The fourth proportional to 1,532,629.23, 2,115,028.35 and 853,565.73 is: 1,177,920.71
Step by Step Solution
- Step 1: Write the proportion equation
1,532,629.23 : 2,115,028.35 = 853,565.73 : x - Step 2: Convert to fraction form
1,532,629.23/2,115,028.35 = 853,565.73/x - Step 3: Cross multiply
1,532,629.23x = 2,115,028.35 × 853,565.73 - Step 4: Simplify right side
1,532,629.23x = 1,805,315,717,538.45 - Step 5: Solve for x
x = 1,805,315,717,538.45/1,532,629.23 - Step 6: Final answer
x = 1,177,920.71
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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.