Finding the Fourth Proportional to 1,512,258.93, 2,085,764.85 and 1,028,007.92
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Solution
The fourth proportional to 1,512,258.93, 2,085,764.85 and 1,028,007.92 is: 1,417,867.50
Step by Step Solution
- Step 1: Write the proportion equation
1,512,258.93 : 2,085,764.85 = 1,028,007.92 : x - Step 2: Convert to fraction form
1,512,258.93/2,085,764.85 = 1,028,007.92/x - Step 3: Cross multiply
1,512,258.93x = 2,085,764.85 × 1,028,007.92 - Step 4: Simplify right side
1,512,258.93x = 2,144,182,790,272.02 - Step 5: Solve for x
x = 2,144,182,790,272.02/1,512,258.93 - Step 6: Final answer
x = 1,417,867.50
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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.