Finding the Fourth Proportional to 6,417,828.76, 8,856,403.30 and 3,517,166.92
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Solution
The fourth proportional to 6,417,828.76, 8,856,403.30 and 3,517,166.92 is: 4,853,580.53
Step by Step Solution
- Step 1: Write the proportion equation
6,417,828.76 : 8,856,403.30 = 3,517,166.92 : x - Step 2: Convert to fraction form
6,417,828.76/8,856,403.30 = 3,517,166.92/x - Step 3: Cross multiply
6,417,828.76x = 8,856,403.30 × 3,517,166.92 - Step 4: Simplify right side
6,417,828.76x = 31,149,448,716,938.84 - Step 5: Solve for x
x = 31,149,448,716,938.84/6,417,828.76 - Step 6: Final answer
x = 4,853,580.53
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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.