Finding the Fourth Proportional to 3,112,850.70, 4,669,276.05 and 868,988.70
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Solution
The fourth proportional to 3,112,850.70, 4,669,276.05 and 868,988.70 is: 1,303,483.05
Step by Step Solution
- Step 1: Write the proportion equation
3,112,850.70 : 4,669,276.05 = 868,988.70 : x - Step 2: Convert to fraction form
3,112,850.70/4,669,276.05 = 868,988.70/x - Step 3: Cross multiply
3,112,850.70x = 4,669,276.05 × 868,988.70 - Step 4: Simplify right side
3,112,850.70x = 4,057,548,124,630.64 - Step 5: Solve for x
x = 4,057,548,124,630.64/3,112,850.70 - Step 6: Final answer
x = 1,303,483.05
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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.