Finding the Fourth Proportional to 4,917,842.77, 6,786,667.18 and 2,712,789.99
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Solution
The fourth proportional to 4,917,842.77, 6,786,667.18 and 2,712,789.99 is: 3,743,674.55
Step by Step Solution
- Step 1: Write the proportion equation
4,917,842.77 : 6,786,667.18 = 2,712,789.99 : x - Step 2: Convert to fraction form
4,917,842.77/6,786,667.18 = 2,712,789.99/x - Step 3: Cross multiply
4,917,842.77x = 6,786,667.18 × 2,712,789.99 - Step 4: Simplify right side
4,917,842.77x = 18,410,802,802,399.57 - Step 5: Solve for x
x = 18,410,802,802,399.57/4,917,842.77 - Step 6: Final answer
x = 3,743,674.55
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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.