Finding the Fourth Proportional to 1,212,147.19, 1,818,208.77 and 464,193.19
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Solution
The fourth proportional to 1,212,147.19, 1,818,208.77 and 464,193.19 is: 696,285.18
Step by Step Solution
- Step 1: Write the proportion equation
1,212,147.19 : 1,818,208.77 = 464,193.19 : x - Step 2: Convert to fraction form
1,212,147.19/1,818,208.77 = 464,193.19/x - Step 3: Cross multiply
1,212,147.19x = 1,818,208.77 × 464,193.19 - Step 4: Simplify right side
1,212,147.19x = 844,000,129,032.28 - Step 5: Solve for x
x = 844,000,129,032.28/1,212,147.19 - Step 6: Final answer
x = 696,285.18
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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.