Finding the Fourth Proportional to 6,213,688.62, 9,321,944.49 and 1,896,124.74
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Solution
The fourth proportional to 6,213,688.62, 9,321,944.49 and 1,896,124.74 is: 2,844,617.85
Step by Step Solution
- Step 1: Write the proportion equation
6,213,688.62 : 9,321,944.49 = 1,896,124.74 : x - Step 2: Convert to fraction form
6,213,688.62/9,321,944.49 = 1,896,124.74/x - Step 3: Cross multiply
6,213,688.62x = 9,321,944.49 × 1,896,124.74 - Step 4: Simplify right side
6,213,688.62x = 17,675,569,572,395.68 - Step 5: Solve for x
x = 17,675,569,572,395.68/6,213,688.62 - Step 6: Final answer
x = 2,844,617.85
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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.