Finding the Fourth Proportional to 3,401,477.60, 5,102,487.36 and 1,126,910.12
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Solution
The fourth proportional to 3,401,477.60, 5,102,487.36 and 1,126,910.12 is: 1,690,454.94
Step by Step Solution
- Step 1: Write the proportion equation
3,401,477.60 : 5,102,487.36 = 1,126,910.12 : x - Step 2: Convert to fraction form
3,401,477.60/5,102,487.36 = 1,126,910.12/x - Step 3: Cross multiply
3,401,477.60x = 5,102,487.36 × 1,126,910.12 - Step 4: Simplify right side
3,401,477.60x = 5,750,044,617,643.65 - Step 5: Solve for x
x = 5,750,044,617,643.65/3,401,477.60 - Step 6: Final answer
x = 1,690,454.94
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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.