Finding the Fourth Proportional to 1,341,416.09, 2,012,125.28 and 330,538.19
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Solution
The fourth proportional to 1,341,416.09, 2,012,125.28 and 330,538.19 is: 495,807.56
Step by Step Solution
- Step 1: Write the proportion equation
1,341,416.09 : 2,012,125.28 = 330,538.19 : x - Step 2: Convert to fraction form
1,341,416.09/2,012,125.28 = 330,538.19/x - Step 3: Cross multiply
1,341,416.09x = 2,012,125.28 × 330,538.19 - Step 4: Simplify right side
1,341,416.09x = 665,084,236,391.13 - Step 5: Solve for x
x = 665,084,236,391.13/1,341,416.09 - Step 6: Final answer
x = 495,807.56
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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.