Finding the Fourth Proportional to 4,306,737.20, 5,943,716.15 and 3,217,117.06
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Solution
The fourth proportional to 4,306,737.20, 5,943,716.15 and 3,217,117.06 is: 4,439,934.40
Step by Step Solution
- Step 1: Write the proportion equation
4,306,737.20 : 5,943,716.15 = 3,217,117.06 : x - Step 2: Convert to fraction form
4,306,737.20/5,943,716.15 = 3,217,117.06/x - Step 3: Cross multiply
4,306,737.20x = 5,943,716.15 × 3,217,117.06 - Step 4: Simplify right side
4,306,737.20x = 19,121,630,617,306.58 - Step 5: Solve for x
x = 19,121,630,617,306.58/4,306,737.20 - Step 6: Final answer
x = 4,439,934.40
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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.