Finding the Fourth Proportional to 4,101,621.68, 6,156,292.98 and 2,081,315.36
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Solution
The fourth proportional to 4,101,621.68, 6,156,292.98 and 2,081,315.36 is: 3,123,931.98
Step by Step Solution
- Step 1: Write the proportion equation
4,101,621.68 : 6,156,292.98 = 2,081,315.36 : x - Step 2: Convert to fraction form
4,101,621.68/6,156,292.98 = 2,081,315.36/x - Step 3: Cross multiply
4,101,621.68x = 6,156,292.98 × 2,081,315.36 - Step 4: Simplify right side
4,101,621.68x = 12,813,187,139,934.17 - Step 5: Solve for x
x = 12,813,187,139,934.17/4,101,621.68 - Step 6: Final answer
x = 3,123,931.98
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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.