Finding the Fourth Proportional to 5,337,767.04, 7,366,153.76 and 2,890,378.01
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Solution
The fourth proportional to 5,337,767.04, 7,366,153.76 and 2,890,378.01 is: 3,988,740.73
Step by Step Solution
- Step 1: Write the proportion equation
5,337,767.04 : 7,366,153.76 = 2,890,378.01 : x - Step 2: Convert to fraction form
5,337,767.04/7,366,153.76 = 2,890,378.01/x - Step 3: Cross multiply
5,337,767.04x = 7,366,153.76 × 2,890,378.01 - Step 4: Simplify right side
5,337,767.04x = 21,290,968,794,900.16 - Step 5: Solve for x
x = 21,290,968,794,900.16/5,337,767.04 - Step 6: Final answer
x = 3,988,740.73
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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.