Finding the Fourth Proportional to 2,762,298.24, 3,811,728.96 and 1,538,511.36
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Solution
The fourth proportional to 2,762,298.24, 3,811,728.96 and 1,538,511.36 is: 2,123,010.55
Step by Step Solution
- Step 1: Write the proportion equation
2,762,298.24 : 3,811,728.96 = 1,538,511.36 : x - Step 2: Convert to fraction form
2,762,298.24/3,811,728.96 = 1,538,511.36/x - Step 3: Cross multiply
2,762,298.24x = 3,811,728.96 × 1,538,511.36 - Step 4: Simplify right side
2,762,298.24x = 5,864,388,306,200.99 - Step 5: Solve for x
x = 5,864,388,306,200.99/2,762,298.24 - Step 6: Final answer
x = 2,123,010.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.