Finding the Fourth Proportional to 6,434,420.10, 9,651,624.66 and 1,642,108.98
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Solution
The fourth proportional to 6,434,420.10, 9,651,624.66 and 1,642,108.98 is: 2,463,162.07
Step by Step Solution
- Step 1: Write the proportion equation
6,434,420.10 : 9,651,624.66 = 1,642,108.98 : x - Step 2: Convert to fraction form
6,434,420.10/9,651,624.66 = 1,642,108.98/x - Step 3: Cross multiply
6,434,420.10x = 9,651,624.66 × 1,642,108.98 - Step 4: Simplify right side
6,434,420.10x = 15,849,019,525,775.45 - Step 5: Solve for x
x = 15,849,019,525,775.45/6,434,420.10 - Step 6: Final answer
x = 2,463,162.07
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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.