Finding the Fourth Proportional to 5,228,055.36, 7,214,744.99 and 2,936,216.12
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Solution
The fourth proportional to 5,228,055.36, 7,214,744.99 and 2,936,216.12 is: 4,051,994.30
Step by Step Solution
- Step 1: Write the proportion equation
5,228,055.36 : 7,214,744.99 = 2,936,216.12 : x - Step 2: Convert to fraction form
5,228,055.36/7,214,744.99 = 2,936,216.12/x - Step 3: Cross multiply
5,228,055.36x = 7,214,744.99 × 2,936,216.12 - Step 4: Simplify right side
5,228,055.36x = 21,184,050,512,594.05 - Step 5: Solve for x
x = 21,184,050,512,594.05/5,228,055.36 - Step 6: Final answer
x = 4,051,994.30
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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.