Finding the Fourth Proportional to 4,689,271.86, 6,471,195.21 and 2,652,037.62
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Solution
The fourth proportional to 4,689,271.86, 6,471,195.21 and 2,652,037.62 is: 3,659,811.94
Step by Step Solution
- Step 1: Write the proportion equation
4,689,271.86 : 6,471,195.21 = 2,652,037.62 : x - Step 2: Convert to fraction form
4,689,271.86/6,471,195.21 = 2,652,037.62/x - Step 3: Cross multiply
4,689,271.86x = 6,471,195.21 × 2,652,037.62 - Step 4: Simplify right side
4,689,271.86x = 17,161,853,143,283.80 - Step 5: Solve for x
x = 17,161,853,143,283.80/4,689,271.86 - Step 6: Final answer
x = 3,659,811.94
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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.