Finding the Fourth Proportional to 1,476,548.40, 2,214,822.60 and 838,819.20
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Solution
The fourth proportional to 1,476,548.40, 2,214,822.60 and 838,819.20 is: 1,258,228.80
Step by Step Solution
- Step 1: Write the proportion equation
1,476,548.40 : 2,214,822.60 = 838,819.20 : x - Step 2: Convert to fraction form
1,476,548.40/2,214,822.60 = 838,819.20/x - Step 3: Cross multiply
1,476,548.40x = 2,214,822.60 × 838,819.20 - Step 4: Simplify right side
1,476,548.40x = 1,857,835,721,473.92 - Step 5: Solve for x
x = 1,857,835,721,473.92/1,476,548.40 - Step 6: Final answer
x = 1,258,228.80
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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.