Finding the Fourth Proportional to 4,847,329.68, 6,686,856.63 and 3,699,417.12
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Solution
The fourth proportional to 4,847,329.68, 6,686,856.63 and 3,699,417.12 is: 5,103,319.46
Step by Step Solution
- Step 1: Write the proportion equation
4,847,329.68 : 6,686,856.63 = 3,699,417.12 : x - Step 2: Convert to fraction form
4,847,329.68/6,686,856.63 = 3,699,417.12/x - Step 3: Cross multiply
4,847,329.68x = 6,686,856.63 × 3,699,417.12 - Step 4: Simplify right side
4,847,329.68x = 24,737,471,896,007.51 - Step 5: Solve for x
x = 24,737,471,896,007.51/4,847,329.68 - Step 6: Final answer
x = 5,103,319.46
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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.