Finding the Fourth Proportional to 5,229,138.26, 7,844,159.22 and 1,442,621.13
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Solution
The fourth proportional to 5,229,138.26, 7,844,159.22 and 1,442,621.13 is: 2,164,056.35
Step by Step Solution
- Step 1: Write the proportion equation
5,229,138.26 : 7,844,159.22 = 1,442,621.13 : x - Step 2: Convert to fraction form
5,229,138.26/7,844,159.22 = 1,442,621.13/x - Step 3: Cross multiply
5,229,138.26x = 7,844,159.22 × 1,442,621.13 - Step 4: Simplify right side
5,229,138.26x = 11,316,149,830,643.21 - Step 5: Solve for x
x = 11,316,149,830,643.21/5,229,138.26 - Step 6: Final answer
x = 2,164,056.35
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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.