Finding the Fourth Proportional to 5,672,203.52, 8,509,964.16 and 1,683,219.20
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Solution
The fourth proportional to 5,672,203.52, 8,509,964.16 and 1,683,219.20 is: 2,525,321.07
Step by Step Solution
- Step 1: Write the proportion equation
5,672,203.52 : 8,509,964.16 = 1,683,219.20 : x - Step 2: Convert to fraction form
5,672,203.52/8,509,964.16 = 1,683,219.20/x - Step 3: Cross multiply
5,672,203.52x = 8,509,964.16 × 1,683,219.20 - Step 4: Simplify right side
5,672,203.52x = 14,324,135,065,423.87 - Step 5: Solve for x
x = 14,324,135,065,423.87/5,672,203.52 - Step 6: Final answer
x = 2,525,321.07
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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.