Finding the Fourth Proportional to 3,287,120.74, 4,536,139.60 and 1,836,828.09
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Solution
The fourth proportional to 3,287,120.74, 4,536,139.60 and 1,836,828.09 is: 2,534,774.14
Step by Step Solution
- Step 1: Write the proportion equation
3,287,120.74 : 4,536,139.60 = 1,836,828.09 : x - Step 2: Convert to fraction form
3,287,120.74/4,536,139.60 = 1,836,828.09/x - Step 3: Cross multiply
3,287,120.74x = 4,536,139.60 × 1,836,828.09 - Step 4: Simplify right side
3,287,120.74x = 8,332,108,637,441.36 - Step 5: Solve for x
x = 8,332,108,637,441.36/3,287,120.74 - Step 6: Final answer
x = 2,534,774.14
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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.