Finding the Fourth Proportional to 4,449,435.91, 6,666,525.99 and 2,987,742.51
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Solution
The fourth proportional to 4,449,435.91, 6,666,525.99 and 2,987,742.51 is: 4,476,491.74
Step by Step Solution
- Step 1: Write the proportion equation
4,449,435.91 : 6,666,525.99 = 2,987,742.51 : x - Step 2: Convert to fraction form
4,449,435.91/6,666,525.99 = 2,987,742.51/x - Step 3: Cross multiply
4,449,435.91x = 6,666,525.99 × 2,987,742.51 - Step 4: Simplify right side
4,449,435.91x = 19,917,863,094,342.84 - Step 5: Solve for x
x = 19,917,863,094,342.84/4,449,435.91 - Step 6: Final answer
x = 4,476,491.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.