Finding the Fourth Proportional to 4,741,390.77, 6,543,119.87 and 2,565,934.48
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Solution
The fourth proportional to 4,741,390.77, 6,543,119.87 and 2,565,934.48 is: 3,540,989.91
Step by Step Solution
- Step 1: Write the proportion equation
4,741,390.77 : 6,543,119.87 = 2,565,934.48 : x - Step 2: Convert to fraction form
4,741,390.77/6,543,119.87 = 2,565,934.48/x - Step 3: Cross multiply
4,741,390.77x = 6,543,119.87 × 2,565,934.48 - Step 4: Simplify right side
4,741,390.77x = 16,789,216,881,206.12 - Step 5: Solve for x
x = 16,789,216,881,206.12/4,741,390.77 - Step 6: Final answer
x = 3,540,989.91
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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.