Finding the Fourth Proportional to 5,628,117.32, 8,401,423.36 and 4,947,114.68
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Solution
The fourth proportional to 5,628,117.32, 8,401,423.36 and 4,947,114.68 is: 7,384,850.47
Step by Step Solution
- Step 1: Write the proportion equation
5,628,117.32 : 8,401,423.36 = 4,947,114.68 : x - Step 2: Convert to fraction form
5,628,117.32/8,401,423.36 = 4,947,114.68/x - Step 3: Cross multiply
5,628,117.32x = 8,401,423.36 × 4,947,114.68 - Step 4: Simplify right side
5,628,117.32x = 41,562,804,837,150.92 - Step 5: Solve for x
x = 41,562,804,837,150.92/5,628,117.32 - Step 6: Final answer
x = 7,384,850.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.