Finding the Fourth Proportional to 5,571,506.16, 7,688,998.66 and 3,124,901.96
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Solution
The fourth proportional to 5,571,506.16, 7,688,998.66 and 3,124,901.96 is: 4,312,544.27
Step by Step Solution
- Step 1: Write the proportion equation
5,571,506.16 : 7,688,998.66 = 3,124,901.96 : x - Step 2: Convert to fraction form
5,571,506.16/7,688,998.66 = 3,124,901.96/x - Step 3: Cross multiply
5,571,506.16x = 7,688,998.66 × 3,124,901.96 - Step 4: Simplify right side
5,571,506.16x = 24,027,366,983,071.38 - Step 5: Solve for x
x = 24,027,366,983,071.38/5,571,506.16 - Step 6: Final answer
x = 4,312,544.27
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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.