Finding the Fourth Proportional to 3,481,719.12, 4,805,117.64 and 1,953,832.32
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Solution
The fourth proportional to 3,481,719.12, 4,805,117.64 and 1,953,832.32 is: 2,696,482.35
Step by Step Solution
- Step 1: Write the proportion equation
3,481,719.12 : 4,805,117.64 = 1,953,832.32 : x - Step 2: Convert to fraction form
3,481,719.12/4,805,117.64 = 1,953,832.32/x - Step 3: Cross multiply
3,481,719.12x = 4,805,117.64 × 1,953,832.32 - Step 4: Simplify right side
3,481,719.12x = 9,388,394,146,434.13 - Step 5: Solve for x
x = 9,388,394,146,434.13/3,481,719.12 - Step 6: Final answer
x = 2,696,482.35
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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.