Finding the Fourth Proportional to 4,219,476.11, 5,822,894.86 and 2,285,736.68
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Solution
The fourth proportional to 4,219,476.11, 5,822,894.86 and 2,285,736.68 is: 3,154,326.28
Step by Step Solution
- Step 1: Write the proportion equation
4,219,476.11 : 5,822,894.86 = 2,285,736.68 : x - Step 2: Convert to fraction form
4,219,476.11/5,822,894.86 = 2,285,736.68/x - Step 3: Cross multiply
4,219,476.11x = 5,822,894.86 × 2,285,736.68 - Step 4: Simplify right side
4,219,476.11x = 13,309,604,374,128.36 - Step 5: Solve for x
x = 13,309,604,374,128.36/4,219,476.11 - Step 6: Final answer
x = 3,154,326.28
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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.