Finding the Fourth Proportional to 1,479,027.18, 2,218,786.07 and 519,233.70
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Solution
The fourth proportional to 1,479,027.18, 2,218,786.07 and 519,233.70 is: 778,936.66
Step by Step Solution
- Step 1: Write the proportion equation
1,479,027.18 : 2,218,786.07 = 519,233.70 : x - Step 2: Convert to fraction form
1,479,027.18/2,218,786.07 = 519,233.70/x - Step 3: Cross multiply
1,479,027.18x = 2,218,786.07 × 519,233.70 - Step 4: Simplify right side
1,479,027.18x = 1,152,068,498,038.39 - Step 5: Solve for x
x = 1,152,068,498,038.39/1,479,027.18 - Step 6: Final answer
x = 778,936.66
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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.