Finding the Fourth Proportional to 1,401,813.81, 2,102,720.48 and 336,855.87
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Solution
The fourth proportional to 1,401,813.81, 2,102,720.48 and 336,855.87 is: 505,283.75
Step by Step Solution
- Step 1: Write the proportion equation
1,401,813.81 : 2,102,720.48 = 336,855.87 : x - Step 2: Convert to fraction form
1,401,813.81/2,102,720.48 = 336,855.87/x - Step 3: Cross multiply
1,401,813.81x = 2,102,720.48 × 336,855.87 - Step 4: Simplify right side
1,401,813.81x = 708,313,736,657.22 - Step 5: Solve for x
x = 708,313,736,657.22/1,401,813.81 - Step 6: Final answer
x = 505,283.75
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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.