Finding the Fourth Proportional to 5,666,310.65, 7,819,280.58 and 3,087,936.07
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Solution
The fourth proportional to 5,666,310.65, 7,819,280.58 and 3,087,936.07 is: 4,261,227.45
Step by Step Solution
- Step 1: Write the proportion equation
5,666,310.65 : 7,819,280.58 = 3,087,936.07 : x - Step 2: Convert to fraction form
5,666,310.65/7,819,280.58 = 3,087,936.07/x - Step 3: Cross multiply
5,666,310.65x = 7,819,280.58 × 3,087,936.07 - Step 4: Simplify right side
5,666,310.65x = 24,145,438,519,094.44 - Step 5: Solve for x
x = 24,145,438,519,094.44/5,666,310.65 - Step 6: Final answer
x = 4,261,227.45
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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.