Finding the Fourth Proportional to 3,412,202.94, 5,118,289.74 and 1,389,995.82
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Solution
The fourth proportional to 3,412,202.94, 5,118,289.74 and 1,389,995.82 is: 2,084,987.75
Step by Step Solution
- Step 1: Write the proportion equation
3,412,202.94 : 5,118,289.74 = 1,389,995.82 : x - Step 2: Convert to fraction form
3,412,202.94/5,118,289.74 = 1,389,995.82/x - Step 3: Cross multiply
3,412,202.94x = 5,118,289.74 × 1,389,995.82 - Step 4: Simplify right side
3,412,202.94x = 7,114,401,344,148.89 - Step 5: Solve for x
x = 7,114,401,344,148.89/3,412,202.94 - Step 6: Final answer
x = 2,084,987.75
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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.