Finding the Fourth Proportional to 3,187,269.75, 4,398,432.36 and 1,756,485.75
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Solution
The fourth proportional to 3,187,269.75, 4,398,432.36 and 1,756,485.75 is: 2,423,950.39
Step by Step Solution
- Step 1: Write the proportion equation
3,187,269.75 : 4,398,432.36 = 1,756,485.75 : x - Step 2: Convert to fraction form
3,187,269.75/4,398,432.36 = 1,756,485.75/x - Step 3: Cross multiply
3,187,269.75x = 4,398,432.36 × 1,756,485.75 - Step 4: Simplify right side
3,187,269.75x = 7,725,783,753,896.44 - Step 5: Solve for x
x = 7,725,783,753,896.44/3,187,269.75 - Step 6: Final answer
x = 2,423,950.39
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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.