Finding the Fourth Proportional to 3,190,517.57, 4,402,966.14 and 1,740,212.62
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Solution
The fourth proportional to 3,190,517.57, 4,402,966.14 and 1,740,212.62 is: 2,401,521.72
Step by Step Solution
- Step 1: Write the proportion equation
3,190,517.57 : 4,402,966.14 = 1,740,212.62 : x - Step 2: Convert to fraction form
3,190,517.57/4,402,966.14 = 1,740,212.62/x - Step 3: Cross multiply
3,190,517.57x = 4,402,966.14 × 1,740,212.62 - Step 4: Simplify right side
3,190,517.57x = 7,662,097,242,260.69 - Step 5: Solve for x
x = 7,662,097,242,260.69/3,190,517.57 - Step 6: Final answer
x = 2,401,521.72
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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.