Finding the Fourth Proportional to 5,800,643.61, 8,005,115.16 and 3,968,943.63
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Solution
The fourth proportional to 5,800,643.61, 8,005,115.16 and 3,968,943.63 is: 5,477,297.51
Step by Step Solution
- Step 1: Write the proportion equation
5,800,643.61 : 8,005,115.16 = 3,968,943.63 : x - Step 2: Convert to fraction form
5,800,643.61/8,005,115.16 = 3,968,943.63/x - Step 3: Cross multiply
5,800,643.61x = 8,005,115.16 × 3,968,943.63 - Step 4: Simplify right side
5,800,643.61x = 31,771,850,821,698.43 - Step 5: Solve for x
x = 31,771,850,821,698.43/5,800,643.61 - Step 6: Final answer
x = 5,477,297.51
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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.