Finding the Fourth Proportional to 4,853,418.60, 6,697,857.86 and 2,678,101.84
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Solution
The fourth proportional to 4,853,418.60, 6,697,857.86 and 2,678,101.84 is: 3,695,857.90
Step by Step Solution
- Step 1: Write the proportion equation
4,853,418.60 : 6,697,857.86 = 2,678,101.84 : x - Step 2: Convert to fraction form
4,853,418.60/6,697,857.86 = 2,678,101.84/x - Step 3: Cross multiply
4,853,418.60x = 6,697,857.86 × 2,678,101.84 - Step 4: Simplify right side
4,853,418.60x = 17,937,545,458,924.46 - Step 5: Solve for x
x = 17,937,545,458,924.46/4,853,418.60 - Step 6: Final answer
x = 3,695,857.90
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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.