Finding the Fourth Proportional to 6,349,138.48, 8,761,662.08 and 3,735,811.83
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Solution
The fourth proportional to 6,349,138.48, 8,761,662.08 and 3,735,811.83 is: 5,155,332.64
Step by Step Solution
- Step 1: Write the proportion equation
6,349,138.48 : 8,761,662.08 = 3,735,811.83 : x - Step 2: Convert to fraction form
6,349,138.48/8,761,662.08 = 3,735,811.83/x - Step 3: Cross multiply
6,349,138.48x = 8,761,662.08 × 3,735,811.83 - Step 4: Simplify right side
6,349,138.48x = 32,731,920,877,112.88 - Step 5: Solve for x
x = 32,731,920,877,112.88/6,349,138.48 - Step 6: Final answer
x = 5,155,332.64
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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.