Finding the Fourth Proportional to 2,864,347.13, 3,951,680.29 and 1,639,998.31
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Solution
The fourth proportional to 2,864,347.13, 3,951,680.29 and 1,639,998.31 is: 2,262,557.12
Step by Step Solution
- Step 1: Write the proportion equation
2,864,347.13 : 3,951,680.29 = 1,639,998.31 : x - Step 2: Convert to fraction form
2,864,347.13/3,951,680.29 = 1,639,998.31/x - Step 3: Cross multiply
2,864,347.13x = 3,951,680.29 × 1,639,998.31 - Step 4: Simplify right side
2,864,347.13x = 6,480,748,997,260.31 - Step 5: Solve for x
x = 6,480,748,997,260.31/2,864,347.13 - Step 6: Final answer
x = 2,262,557.12
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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.