Finding the Fourth Proportional to 1,226,655.09, 1,839,982.10 and 328,073.49
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Solution
The fourth proportional to 1,226,655.09, 1,839,982.10 and 328,073.49 is: 492,110.09
Step by Step Solution
- Step 1: Write the proportion equation
1,226,655.09 : 1,839,982.10 = 328,073.49 : x - Step 2: Convert to fraction form
1,226,655.09/1,839,982.10 = 328,073.49/x - Step 3: Cross multiply
1,226,655.09x = 1,839,982.10 × 328,073.49 - Step 4: Simplify right side
1,226,655.09x = 603,649,347,444.16 - Step 5: Solve for x
x = 603,649,347,444.16/1,226,655.09 - Step 6: Final answer
x = 492,110.09
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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.