Finding the Fourth Proportional to 3,113,178.49, 4,296,378.84 and 1,717,733.29
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Solution
The fourth proportional to 3,113,178.49, 4,296,378.84 and 1,717,733.29 is: 2,370,578.17
Step by Step Solution
- Step 1: Write the proportion equation
3,113,178.49 : 4,296,378.84 = 1,717,733.29 : x - Step 2: Convert to fraction form
3,113,178.49/4,296,378.84 = 1,717,733.29/x - Step 3: Cross multiply
3,113,178.49x = 4,296,378.84 × 1,717,733.29 - Step 4: Simplify right side
3,113,178.49x = 7,380,032,967,707.54 - Step 5: Solve for x
x = 7,380,032,967,707.54/3,113,178.49 - Step 6: Final answer
x = 2,370,578.17
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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.