Finding the Fourth Proportional to 4,162,264.58, 6,243,812.40 and 1,129,679.26
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Solution
The fourth proportional to 4,162,264.58, 6,243,812.40 and 1,129,679.26 is: 1,694,631.67
Step by Step Solution
- Step 1: Write the proportion equation
4,162,264.58 : 6,243,812.40 = 1,129,679.26 : x - Step 2: Convert to fraction form
4,162,264.58/6,243,812.40 = 1,129,679.26/x - Step 3: Cross multiply
4,162,264.58x = 6,243,812.40 × 1,129,679.26 - Step 4: Simplify right side
4,162,264.58x = 7,053,505,371,610.82 - Step 5: Solve for x
x = 7,053,505,371,610.82/4,162,264.58 - Step 6: Final answer
x = 1,694,631.67
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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.