Finding the Fourth Proportional to 1,753,472.08, 2,420,342.82 and 1,028,612.80
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Solution
The fourth proportional to 1,753,472.08, 2,420,342.82 and 1,028,612.80 is: 1,419,809.09
Step by Step Solution
- Step 1: Write the proportion equation
1,753,472.08 : 2,420,342.82 = 1,028,612.80 : x - Step 2: Convert to fraction form
1,753,472.08/2,420,342.82 = 1,028,612.80/x - Step 3: Cross multiply
1,753,472.08x = 2,420,342.82 × 1,028,612.80 - Step 4: Simplify right side
1,753,472.08x = 2,489,595,605,040.10 - Step 5: Solve for x
x = 2,489,595,605,040.10/1,753,472.08 - Step 6: Final answer
x = 1,419,809.09
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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.