Finding the Fourth Proportional to 3,129,090.44, 4,317,404.70 and 1,770,963.44
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Solution
The fourth proportional to 3,129,090.44, 4,317,404.70 and 1,770,963.44 is: 2,443,510.67
Step by Step Solution
- Step 1: Write the proportion equation
3,129,090.44 : 4,317,404.70 = 1,770,963.44 : x - Step 2: Convert to fraction form
3,129,090.44/4,317,404.70 = 1,770,963.44/x - Step 3: Cross multiply
3,129,090.44x = 4,317,404.70 × 1,770,963.44 - Step 4: Simplify right side
3,129,090.44x = 7,645,965,879,384.17 - Step 5: Solve for x
x = 7,645,965,879,384.17/3,129,090.44 - Step 6: Final answer
x = 2,443,510.67
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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.