Finding the Fourth Proportional to 1,628,280.72, 2,247,027.84 and 903,103.92
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Solution
The fourth proportional to 1,628,280.72, 2,247,027.84 and 903,103.92 is: 1,246,283.66
Step by Step Solution
- Step 1: Write the proportion equation
1,628,280.72 : 2,247,027.84 = 903,103.92 : x - Step 2: Convert to fraction form
1,628,280.72/2,247,027.84 = 903,103.92/x - Step 3: Cross multiply
1,628,280.72x = 2,247,027.84 × 903,103.92 - Step 4: Simplify right side
1,628,280.72x = 2,029,299,650,653.13 - Step 5: Solve for x
x = 2,029,299,650,653.13/1,628,280.72 - Step 6: Final answer
x = 1,246,283.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.