Finding the Fourth Proportional to 1,639,125.64, 2,457,286.04 and 628,972.48
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Solution
The fourth proportional to 1,639,125.64, 2,457,286.04 and 628,972.48 is: 942,920.58
Step by Step Solution
- Step 1: Write the proportion equation
1,639,125.64 : 2,457,286.04 = 628,972.48 : x - Step 2: Convert to fraction form
1,639,125.64/2,457,286.04 = 628,972.48/x - Step 3: Cross multiply
1,639,125.64x = 2,457,286.04 × 628,972.48 - Step 4: Simplify right side
1,639,125.64x = 1,545,565,294,648.18 - Step 5: Solve for x
x = 1,545,565,294,648.18/1,639,125.64 - Step 6: Final answer
x = 942,920.58
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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.