Finding the Fourth Proportional to 1,517,931.92, 2,276,562.62 and 438,209.84
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Solution
The fourth proportional to 1,517,931.92, 2,276,562.62 and 438,209.84 is: 657,217.97
Step by Step Solution
- Step 1: Write the proportion equation
1,517,931.92 : 2,276,562.62 = 438,209.84 : x - Step 2: Convert to fraction form
1,517,931.92/2,276,562.62 = 438,209.84/x - Step 3: Cross multiply
1,517,931.92x = 2,276,562.62 × 438,209.84 - Step 4: Simplify right side
1,517,931.92x = 997,612,141,460.18 - Step 5: Solve for x
x = 997,612,141,460.18/1,517,931.92 - Step 6: Final answer
x = 657,217.97
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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.