Finding the Fourth Proportional to 3,215,640.24, 4,817,154.36 and 1,864,966.05
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Solution
The fourth proportional to 3,215,640.24, 4,817,154.36 and 1,864,966.05 is: 2,793,791.80
Step by Step Solution
- Step 1: Write the proportion equation
3,215,640.24 : 4,817,154.36 = 1,864,966.05 : x - Step 2: Convert to fraction form
3,215,640.24/4,817,154.36 = 1,864,966.05/x - Step 3: Cross multiply
3,215,640.24x = 4,817,154.36 × 1,864,966.05 - Step 4: Simplify right side
3,215,640.24x = 8,983,829,339,009.48 - Step 5: Solve for x
x = 8,983,829,339,009.48/3,215,640.24 - Step 6: Final answer
x = 2,793,791.80
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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.