Finding the Fourth Proportional to 7,398,176.70, 11,097,265.05 and 2,079,392.70
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Solution
The fourth proportional to 7,398,176.70, 11,097,265.05 and 2,079,392.70 is: 3,119,089.05
Step by Step Solution
- Step 1: Write the proportion equation
7,398,176.70 : 11,097,265.05 = 2,079,392.70 : x - Step 2: Convert to fraction form
7,398,176.70/11,097,265.05 = 2,079,392.70/x - Step 3: Cross multiply
7,398,176.70x = 11,097,265.05 × 2,079,392.70 - Step 4: Simplify right side
7,398,176.70x = 23,075,571,934,935.14 - Step 5: Solve for x
x = 23,075,571,934,935.14/7,398,176.70 - Step 6: Final answer
x = 3,119,089.05
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1.5x scale
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.