Finding the Fourth Proportional to 1,457,623.44, 2,185,909.20 and 616,240.80
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Solution
The fourth proportional to 1,457,623.44, 2,185,909.20 and 616,240.80 is: 924,138.84
Step by Step Solution
- Step 1: Write the proportion equation
1,457,623.44 : 2,185,909.20 = 616,240.80 : x - Step 2: Convert to fraction form
1,457,623.44/2,185,909.20 = 616,240.80/x - Step 3: Cross multiply
1,457,623.44x = 2,185,909.20 × 616,240.80 - Step 4: Simplify right side
1,457,623.44x = 1,347,046,434,135.36 - Step 5: Solve for x
x = 1,347,046,434,135.36/1,457,623.44 - Step 6: Final answer
x = 924,138.84
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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.