Finding the Fourth Proportional to 5,197,385.36, 7,792,530.24 and 2,768,901.68
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Solution
The fourth proportional to 5,197,385.36, 7,792,530.24 and 2,768,901.68 is: 4,151,462.43
Step by Step Solution
- Step 1: Write the proportion equation
5,197,385.36 : 7,792,530.24 = 2,768,901.68 : x - Step 2: Convert to fraction form
5,197,385.36/7,792,530.24 = 2,768,901.68/x - Step 3: Cross multiply
5,197,385.36x = 7,792,530.24 × 2,768,901.68 - Step 4: Simplify right side
5,197,385.36x = 21,576,750,072,986.80 - Step 5: Solve for x
x = 21,576,750,072,986.80/5,197,385.36 - Step 6: Final answer
x = 4,151,462.43
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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.