Finding the Fourth Proportional to 1,883,876.40, 2,599,818.12 and 1,079,215.92
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Solution
The fourth proportional to 1,883,876.40, 2,599,818.12 and 1,079,215.92 is: 1,489,357.32
Step by Step Solution
- Step 1: Write the proportion equation
1,883,876.40 : 2,599,818.12 = 1,079,215.92 : x - Step 2: Convert to fraction form
1,883,876.40/2,599,818.12 = 1,079,215.92/x - Step 3: Cross multiply
1,883,876.40x = 2,599,818.12 × 1,079,215.92 - Step 4: Simplify right side
1,883,876.40x = 2,805,765,104,208.47 - Step 5: Solve for x
x = 2,805,765,104,208.47/1,883,876.40 - Step 6: Final answer
x = 1,489,357.32
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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.