Finding the Fourth Proportional to 6,417,842.74, 8,856,635.52 and 3,517,341.28
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Solution
The fourth proportional to 6,417,842.74, 8,856,635.52 and 3,517,341.28 is: 4,853,937.84
Step by Step Solution
- Step 1: Write the proportion equation
6,417,842.74 : 8,856,635.52 = 3,517,341.28 : x - Step 2: Convert to fraction form
6,417,842.74/8,856,635.52 = 3,517,341.28/x - Step 3: Cross multiply
6,417,842.74x = 8,856,635.52 × 3,517,341.28 - Step 4: Simplify right side
6,417,842.74x = 31,151,809,716,410.26 - Step 5: Solve for x
x = 31,151,809,716,410.26/6,417,842.74 - Step 6: Final answer
x = 4,853,937.84
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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.