Finding the Fourth Proportional to 3,250,400.42, 4,483,392.76 and 2,090,313.38
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Solution
The fourth proportional to 3,250,400.42, 4,483,392.76 and 2,090,313.38 is: 2,883,243.50
Step by Step Solution
- Step 1: Write the proportion equation
3,250,400.42 : 4,483,392.76 = 2,090,313.38 : x - Step 2: Convert to fraction form
3,250,400.42/4,483,392.76 = 2,090,313.38/x - Step 3: Cross multiply
3,250,400.42x = 4,483,392.76 × 2,090,313.38 - Step 4: Simplify right side
3,250,400.42x = 9,371,695,874,023.13 - Step 5: Solve for x
x = 9,371,695,874,023.13/3,250,400.42 - Step 6: Final answer
x = 2,883,243.50
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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.