Finding the Fourth Proportional to 3,134,932.20, 4,702,398.30 and 1,006,543.80
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Solution
The fourth proportional to 3,134,932.20, 4,702,398.30 and 1,006,543.80 is: 1,509,815.70
Step by Step Solution
- Step 1: Write the proportion equation
3,134,932.20 : 4,702,398.30 = 1,006,543.80 : x - Step 2: Convert to fraction form
3,134,932.20/4,702,398.30 = 1,006,543.80/x - Step 3: Cross multiply
3,134,932.20x = 4,702,398.30 × 1,006,543.80 - Step 4: Simplify right side
3,134,932.20x = 4,733,169,853,995.54 - Step 5: Solve for x
x = 4,733,169,853,995.54/3,134,932.20 - Step 6: Final answer
x = 1,509,815.70
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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.