Finding the Fourth Proportional to 4,378,910.16, 6,042,774.82 and 2,418,753.09
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Solution
The fourth proportional to 4,378,910.16, 6,042,774.82 and 2,418,753.09 is: 3,337,812.31
Step by Step Solution
- Step 1: Write the proportion equation
4,378,910.16 : 6,042,774.82 = 2,418,753.09 : x - Step 2: Convert to fraction form
4,378,910.16/6,042,774.82 = 2,418,753.09/x - Step 3: Cross multiply
4,378,910.16x = 6,042,774.82 × 2,418,753.09 - Step 4: Simplify right side
4,378,910.16x = 14,615,980,255,955.43 - Step 5: Solve for x
x = 14,615,980,255,955.43/4,378,910.16 - Step 6: Final answer
x = 3,337,812.31
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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.