Finding the Fourth Proportional to 1,691,641.26, 2,537,835.60 and 839,176.62
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Solution
The fourth proportional to 1,691,641.26, 2,537,835.60 and 839,176.62 is: 1,258,950.32
Step by Step Solution
- Step 1: Write the proportion equation
1,691,641.26 : 2,537,835.60 = 839,176.62 : x - Step 2: Convert to fraction form
1,691,641.26/2,537,835.60 = 839,176.62/x - Step 3: Cross multiply
1,691,641.26x = 2,537,835.60 × 839,176.62 - Step 4: Simplify right side
1,691,641.26x = 2,129,692,300,923.67 - Step 5: Solve for x
x = 2,129,692,300,923.67/1,691,641.26 - Step 6: Final answer
x = 1,258,950.32
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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.