Finding the Fourth Proportional to 6,429,984.58, 8,880,743.04 and 4,234,660.92
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Solution
The fourth proportional to 6,429,984.58, 8,880,743.04 and 4,234,660.92 is: 5,848,682.07
Step by Step Solution
- Step 1: Write the proportion equation
6,429,984.58 : 8,880,743.04 = 4,234,660.92 : x - Step 2: Convert to fraction form
6,429,984.58/8,880,743.04 = 4,234,660.92/x - Step 3: Cross multiply
6,429,984.58x = 8,880,743.04 × 4,234,660.92 - Step 4: Simplify right side
6,429,984.58x = 37,606,935,492,049.99 - Step 5: Solve for x
x = 37,606,935,492,049.99/6,429,984.58 - Step 6: Final answer
x = 5,848,682.07
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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.