Finding the Fourth Proportional to 3,419,089.23, 4,718,459.67 and 1,949,215.14
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Solution
The fourth proportional to 3,419,089.23, 4,718,459.67 and 1,949,215.14 is: 2,689,983.33
Step by Step Solution
- Step 1: Write the proportion equation
3,419,089.23 : 4,718,459.67 = 1,949,215.14 : x - Step 2: Convert to fraction form
3,419,089.23/4,718,459.67 = 1,949,215.14/x - Step 3: Cross multiply
3,419,089.23x = 4,718,459.67 × 1,949,215.14 - Step 4: Simplify right side
3,419,089.23x = 9,197,293,026,243.40 - Step 5: Solve for x
x = 9,197,293,026,243.40/3,419,089.23 - Step 6: Final answer
x = 2,689,983.33
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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.