Finding the Fourth Proportional to 4,745,817.16, 6,543,979.86 and 3,024,210.76
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Solution
The fourth proportional to 4,745,817.16, 6,543,979.86 and 3,024,210.76 is: 4,170,066.74
Step by Step Solution
- Step 1: Write the proportion equation
4,745,817.16 : 6,543,979.86 = 3,024,210.76 : x - Step 2: Convert to fraction form
4,745,817.16/6,543,979.86 = 3,024,210.76/x - Step 3: Cross multiply
4,745,817.16x = 6,543,979.86 × 3,024,210.76 - Step 4: Simplify right side
4,745,817.16x = 19,790,374,305,835.29 - Step 5: Solve for x
x = 19,790,374,305,835.29/4,745,817.16 - Step 6: Final answer
x = 4,170,066.74
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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.