Finding the Fourth Proportional to 2,894,814.32, 3,995,322.12 and 1,606,069.68
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Solution
The fourth proportional to 2,894,814.32, 3,995,322.12 and 1,606,069.68 is: 2,216,641.56
Step by Step Solution
- Step 1: Write the proportion equation
2,894,814.32 : 3,995,322.12 = 1,606,069.68 : x - Step 2: Convert to fraction form
2,894,814.32/3,995,322.12 = 1,606,069.68/x - Step 3: Cross multiply
2,894,814.32x = 3,995,322.12 × 1,606,069.68 - Step 4: Simplify right side
2,894,814.32x = 6,416,765,718,765.32 - Step 5: Solve for x
x = 6,416,765,718,765.32/2,894,814.32 - Step 6: Final answer
x = 2,216,641.56
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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.