Finding the Fourth Proportional to 4,050,315.90, 5,589,609.66 and 2,214,664.74
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Solution
The fourth proportional to 4,050,315.90, 5,589,609.66 and 2,214,664.74 is: 3,056,332.33
Step by Step Solution
- Step 1: Write the proportion equation
4,050,315.90 : 5,589,609.66 = 2,214,664.74 : x - Step 2: Convert to fraction form
4,050,315.90/5,589,609.66 = 2,214,664.74/x - Step 3: Cross multiply
4,050,315.90x = 5,589,609.66 × 2,214,664.74 - Step 4: Simplify right side
4,050,315.90x = 12,379,111,424,365.39 - Step 5: Solve for x
x = 12,379,111,424,365.39/4,050,315.90 - Step 6: Final answer
x = 3,056,332.33
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Double scale
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1.5x scale
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.