Finding the Fourth Proportional to 5,037,308.40, 6,951,647.88 and 2,861,812.08
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Solution
The fourth proportional to 5,037,308.40, 6,951,647.88 and 2,861,812.08 is: 3,949,392.87
Step by Step Solution
- Step 1: Write the proportion equation
5,037,308.40 : 6,951,647.88 = 2,861,812.08 : x - Step 2: Convert to fraction form
5,037,308.40/6,951,647.88 = 2,861,812.08/x - Step 3: Cross multiply
5,037,308.40x = 6,951,647.88 × 2,861,812.08 - Step 4: Simplify right side
5,037,308.40x = 19,894,309,878,890.39 - Step 5: Solve for x
x = 19,894,309,878,890.39/5,037,308.40 - Step 6: Final answer
x = 3,949,392.87
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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.