Finding the Fourth Proportional to 1,628,648.39, 2,441,384.09 and 775,490.79
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Solution
The fourth proportional to 1,628,648.39, 2,441,384.09 and 775,490.79 is: 1,162,479.82
Step by Step Solution
- Step 1: Write the proportion equation
1,628,648.39 : 2,441,384.09 = 775,490.79 : x - Step 2: Convert to fraction form
1,628,648.39/2,441,384.09 = 775,490.79/x - Step 3: Cross multiply
1,628,648.39x = 2,441,384.09 × 775,490.79 - Step 4: Simplify right side
1,628,648.39x = 1,893,270,889,195.49 - Step 5: Solve for x
x = 1,893,270,889,195.49/1,628,648.39 - Step 6: Final answer
x = 1,162,479.82
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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.