Finding the Fourth Proportional to 1,711,148.40, 2,361,595.84 and 976,283.60
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Solution
The fourth proportional to 1,711,148.40, 2,361,595.84 and 976,283.60 is: 1,347,391.78
Step by Step Solution
- Step 1: Write the proportion equation
1,711,148.40 : 2,361,595.84 = 976,283.60 : x - Step 2: Convert to fraction form
1,711,148.40/2,361,595.84 = 976,283.60/x - Step 3: Cross multiply
1,711,148.40x = 2,361,595.84 × 976,283.60 - Step 4: Simplify right side
1,711,148.40x = 2,305,587,288,420.22 - Step 5: Solve for x
x = 2,305,587,288,420.22/1,711,148.40 - Step 6: Final answer
x = 1,347,391.78
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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.