Finding the Fourth Proportional to 1,556,310.70, 2,334,466.05 and 1,241,382.70
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Solution
The fourth proportional to 1,556,310.70, 2,334,466.05 and 1,241,382.70 is: 1,862,074.05
Step by Step Solution
- Step 1: Write the proportion equation
1,556,310.70 : 2,334,466.05 = 1,241,382.70 : x - Step 2: Convert to fraction form
1,556,310.70/2,334,466.05 = 1,241,382.70/x - Step 3: Cross multiply
1,556,310.70x = 2,334,466.05 × 1,241,382.70 - Step 4: Simplify right side
1,556,310.70x = 2,897,965,768,207.33 - Step 5: Solve for x
x = 2,897,965,768,207.33/1,556,310.70 - Step 6: Final answer
x = 1,862,074.05
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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.