Finding the Fourth Proportional to 1,676,259.36, 2,313,313.56 and 987,960.24
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Solution
The fourth proportional to 1,676,259.36, 2,313,313.56 and 987,960.24 is: 1,363,429.71
Step by Step Solution
- Step 1: Write the proportion equation
1,676,259.36 : 2,313,313.56 = 987,960.24 : x - Step 2: Convert to fraction form
1,676,259.36/2,313,313.56 = 987,960.24/x - Step 3: Cross multiply
1,676,259.36x = 2,313,313.56 × 987,960.24 - Step 4: Simplify right side
1,676,259.36x = 2,285,461,819,932.85 - Step 5: Solve for x
x = 2,285,461,819,932.85/1,676,259.36 - Step 6: Final answer
x = 1,363,429.71
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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.