Finding the Fourth Proportional to 3,461,395.02, 4,776,624.51 and 1,912,632.09
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Solution
The fourth proportional to 3,461,395.02, 4,776,624.51 and 1,912,632.09 is: 2,639,376.69
Step by Step Solution
- Step 1: Write the proportion equation
3,461,395.02 : 4,776,624.51 = 1,912,632.09 : x - Step 2: Convert to fraction form
3,461,395.02/4,776,624.51 = 1,912,632.09/x - Step 3: Cross multiply
3,461,395.02x = 4,776,624.51 × 1,912,632.09 - Step 4: Simplify right side
3,461,395.02x = 9,135,925,319,706.53 - Step 5: Solve for x
x = 9,135,925,319,706.53/3,461,395.02 - Step 6: Final answer
x = 2,639,376.69
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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.