Finding the Fourth Proportional to 1,615,535.36, 2,229,440.64 and 936,866.24
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Solution
The fourth proportional to 1,615,535.36, 2,229,440.64 and 936,866.24 is: 1,292,876.48
Step by Step Solution
- Step 1: Write the proportion equation
1,615,535.36 : 2,229,440.64 = 936,866.24 : x - Step 2: Convert to fraction form
1,615,535.36/2,229,440.64 = 936,866.24/x - Step 3: Cross multiply
1,615,535.36x = 2,229,440.64 × 936,866.24 - Step 4: Simplify right side
1,615,535.36x = 2,088,687,669,699.99 - Step 5: Solve for x
x = 2,088,687,669,699.99/1,615,535.36 - Step 6: Final answer
x = 1,292,876.48
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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.