Finding the Fourth Proportional to 5,583,407.36, 7,705,171.84 and 3,291,431.04
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Solution
The fourth proportional to 5,583,407.36, 7,705,171.84 and 3,291,431.04 is: 4,542,215.91
Step by Step Solution
- Step 1: Write the proportion equation
5,583,407.36 : 7,705,171.84 = 3,291,431.04 : x - Step 2: Convert to fraction form
5,583,407.36/7,705,171.84 = 3,291,431.04/x - Step 3: Cross multiply
5,583,407.36x = 7,705,171.84 × 3,291,431.04 - Step 4: Simplify right side
5,583,407.36x = 25,361,041,762,709.91 - Step 5: Solve for x
x = 25,361,041,762,709.91/5,583,407.36 - Step 6: Final answer
x = 4,542,215.91
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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.