Finding the Fourth Proportional to 1,617,538.18, 2,426,219.79 and 495,610.42
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Solution
The fourth proportional to 1,617,538.18, 2,426,219.79 and 495,610.42 is: 743,388.83
Step by Step Solution
- Step 1: Write the proportion equation
1,617,538.18 : 2,426,219.79 = 495,610.42 : x - Step 2: Convert to fraction form
1,617,538.18/2,426,219.79 = 495,610.42/x - Step 3: Cross multiply
1,617,538.18x = 2,426,219.79 × 495,610.42 - Step 4: Simplify right side
1,617,538.18x = 1,202,459,809,134.21 - Step 5: Solve for x
x = 1,202,459,809,134.21/1,617,538.18 - Step 6: Final answer
x = 743,388.83
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1.5x scale
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.