Finding the Fourth Proportional to 3,763,987.36, 5,642,807.16 and 1,632,466.08
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Solution
The fourth proportional to 3,763,987.36, 5,642,807.16 and 1,632,466.08 is: 2,447,322.59
Step by Step Solution
- Step 1: Write the proportion equation
3,763,987.36 : 5,642,807.16 = 1,632,466.08 : x - Step 2: Convert to fraction form
3,763,987.36/5,642,807.16 = 1,632,466.08/x - Step 3: Cross multiply
3,763,987.36x = 5,642,807.16 × 1,632,466.08 - Step 4: Simplify right side
3,763,987.36x = 9,211,691,284,681.13 - Step 5: Solve for x
x = 9,211,691,284,681.13/3,763,987.36 - Step 6: Final answer
x = 2,447,322.59
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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.