Finding the Fourth Proportional to 1,456,135.70, 2,184,203.55 and 658,974.20
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Solution
The fourth proportional to 1,456,135.70, 2,184,203.55 and 658,974.20 is: 988,461.30
Step by Step Solution
- Step 1: Write the proportion equation
1,456,135.70 : 2,184,203.55 = 658,974.20 : x - Step 2: Convert to fraction form
1,456,135.70/2,184,203.55 = 658,974.20/x - Step 3: Cross multiply
1,456,135.70x = 2,184,203.55 × 658,974.20 - Step 4: Simplify right side
1,456,135.70x = 1,439,333,786,998.41 - Step 5: Solve for x
x = 1,439,333,786,998.41/1,456,135.70 - Step 6: Final answer
x = 988,461.30
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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.