Finding the Fourth Proportional to 6,707,621.68, 10,061,217.68 and 2,819,138.52
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Solution
The fourth proportional to 6,707,621.68, 10,061,217.68 and 2,819,138.52 is: 4,228,617.49
Step by Step Solution
- Step 1: Write the proportion equation
6,707,621.68 : 10,061,217.68 = 2,819,138.52 : x - Step 2: Convert to fraction form
6,707,621.68/10,061,217.68 = 2,819,138.52/x - Step 3: Cross multiply
6,707,621.68x = 10,061,217.68 × 2,819,138.52 - Step 4: Simplify right side
6,707,621.68x = 28,363,966,319,793.03 - Step 5: Solve for x
x = 28,363,966,319,793.03/6,707,621.68 - Step 6: Final answer
x = 4,228,617.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.