Finding the Fourth Proportional to 4,917,627.63, 6,786,991.76 and 2,881,248.75
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Solution
The fourth proportional to 4,917,627.63, 6,786,991.76 and 2,881,248.75 is: 3,976,513.27
Step by Step Solution
- Step 1: Write the proportion equation
4,917,627.63 : 6,786,991.76 = 2,881,248.75 : x - Step 2: Convert to fraction form
4,917,627.63/6,786,991.76 = 2,881,248.75/x - Step 3: Cross multiply
4,917,627.63x = 6,786,991.76 × 2,881,248.75 - Step 4: Simplify right side
4,917,627.63x = 19,555,011,510,354.05 - Step 5: Solve for x
x = 19,555,011,510,354.05/4,917,627.63 - Step 6: Final answer
x = 3,976,513.27
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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.