Finding the Fourth Proportional to 1,362,197.76, 2,043,290.64 and 415,565.28
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Solution
The fourth proportional to 1,362,197.76, 2,043,290.64 and 415,565.28 is: 623,346.09
Step by Step Solution
- Step 1: Write the proportion equation
1,362,197.76 : 2,043,290.64 = 415,565.28 : x - Step 2: Convert to fraction form
1,362,197.76/2,043,290.64 = 415,565.28/x - Step 3: Cross multiply
1,362,197.76x = 2,043,290.64 × 415,565.28 - Step 4: Simplify right side
1,362,197.76x = 849,120,646,932.98 - Step 5: Solve for x
x = 849,120,646,932.98/1,362,197.76 - Step 6: Final answer
x = 623,346.09
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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.