Finding the Fourth Proportional to 5,594,703.18, 7,720,679.06 and 3,147,315.94
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Solution
The fourth proportional to 5,594,703.18, 7,720,679.06 and 3,147,315.94 is: 4,343,289.62
Step by Step Solution
- Step 1: Write the proportion equation
5,594,703.18 : 7,720,679.06 = 3,147,315.94 : x - Step 2: Convert to fraction form
5,594,703.18/7,720,679.06 = 3,147,315.94/x - Step 3: Cross multiply
5,594,703.18x = 7,720,679.06 × 3,147,315.94 - Step 4: Simplify right side
5,594,703.18x = 24,299,416,273,162.21 - Step 5: Solve for x
x = 24,299,416,273,162.21/5,594,703.18 - Step 6: Final answer
x = 4,343,289.62
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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.