Finding the Fourth Proportional to 1,552,464.65, 2,142,401.06 and 864,121.68
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Solution
The fourth proportional to 1,552,464.65, 2,142,401.06 and 864,121.68 is: 1,192,487.83
Step by Step Solution
- Step 1: Write the proportion equation
1,552,464.65 : 2,142,401.06 = 864,121.68 : x - Step 2: Convert to fraction form
1,552,464.65/2,142,401.06 = 864,121.68/x - Step 3: Cross multiply
1,552,464.65x = 2,142,401.06 × 864,121.68 - Step 4: Simplify right side
1,552,464.65x = 1,851,295,205,361.29 - Step 5: Solve for x
x = 1,851,295,205,361.29/1,552,464.65 - Step 6: Final answer
x = 1,192,487.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.