Finding the Fourth Proportional to 1,552,464.69, 2,142,400.98 and 864,121.74
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Solution
The fourth proportional to 1,552,464.69, 2,142,400.98 and 864,121.74 is: 1,192,487.84
Step by Step Solution
- Step 1: Write the proportion equation
1,552,464.69 : 2,142,400.98 = 864,121.74 : x - Step 2: Convert to fraction form
1,552,464.69/2,142,400.98 = 864,121.74/x - Step 3: Cross multiply
1,552,464.69x = 2,142,400.98 × 864,121.74 - Step 4: Simplify right side
1,552,464.69x = 1,851,295,262,615.31 - Step 5: Solve for x
x = 1,851,295,262,615.31/1,552,464.69 - Step 6: Final answer
x = 1,192,487.84
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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.