Finding the Fourth Proportional to 3,883,272.30, 5,358,940.65 and 2,164,501.80
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Solution
The fourth proportional to 3,883,272.30, 5,358,940.65 and 2,164,501.80 is: 2,987,026.35
Step by Step Solution
- Step 1: Write the proportion equation
3,883,272.30 : 5,358,940.65 = 2,164,501.80 : x - Step 2: Convert to fraction form
3,883,272.30/5,358,940.65 = 2,164,501.80/x - Step 3: Cross multiply
3,883,272.30x = 5,358,940.65 × 2,164,501.80 - Step 4: Simplify right side
3,883,272.30x = 11,599,436,683,018.17 - Step 5: Solve for x
x = 11,599,436,683,018.17/3,883,272.30 - Step 6: Final answer
x = 2,987,026.35
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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.