Finding the Fourth Proportional to 3,864,432.24, 5,333,083.02 and 2,145,552.84
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Solution
The fourth proportional to 3,864,432.24, 5,333,083.02 and 2,145,552.84 is: 2,960,955.38
Step by Step Solution
- Step 1: Write the proportion equation
3,864,432.24 : 5,333,083.02 = 2,145,552.84 : x - Step 2: Convert to fraction form
3,864,432.24/5,333,083.02 = 2,145,552.84/x - Step 3: Cross multiply
3,864,432.24x = 5,333,083.02 × 2,145,552.84 - Step 4: Simplify right side
3,864,432.24x = 11,442,411,419,516.78 - Step 5: Solve for x
x = 11,442,411,419,516.78/3,864,432.24 - Step 6: Final answer
x = 2,960,955.38
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1.5x scale
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.