Finding the Fourth Proportional to 2,319,880.37, 3,201,469.74 and 1,287,455.04
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Solution
The fourth proportional to 2,319,880.37, 3,201,469.74 and 1,287,455.04 is: 1,776,707.28
Step by Step Solution
- Step 1: Write the proportion equation
2,319,880.37 : 3,201,469.74 = 1,287,455.04 : x - Step 2: Convert to fraction form
2,319,880.37/3,201,469.74 = 1,287,455.04/x - Step 3: Cross multiply
2,319,880.37x = 3,201,469.74 × 1,287,455.04 - Step 4: Simplify right side
2,319,880.37x = 4,121,748,352,170.49 - Step 5: Solve for x
x = 4,121,748,352,170.49/2,319,880.37 - Step 6: Final answer
x = 1,776,707.28
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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.