Finding the Fourth Proportional to 3,125,384.05, 4,688,257.50 and 1,206,305.92
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Solution
The fourth proportional to 3,125,384.05, 4,688,257.50 and 1,206,305.92 is: 1,809,528.90
Step by Step Solution
- Step 1: Write the proportion equation
3,125,384.05 : 4,688,257.50 = 1,206,305.92 : x - Step 2: Convert to fraction form
3,125,384.05/4,688,257.50 = 1,206,305.92/x - Step 3: Cross multiply
3,125,384.05x = 4,688,257.50 × 1,206,305.92 - Step 4: Simplify right side
3,125,384.05x = 5,655,472,753,293.11 - Step 5: Solve for x
x = 5,655,472,753,293.11/3,125,384.05 - Step 6: Final answer
x = 1,809,528.90
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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.