Finding the Fourth Proportional to 5,296,872.93, 7,943,292.66 and 3,138,507.12
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Solution
The fourth proportional to 5,296,872.93, 7,943,292.66 and 3,138,507.12 is: 4,706,565.72
Step by Step Solution
- Step 1: Write the proportion equation
5,296,872.93 : 7,943,292.66 = 3,138,507.12 : x - Step 2: Convert to fraction form
5,296,872.93/7,943,292.66 = 3,138,507.12/x - Step 3: Cross multiply
5,296,872.93x = 7,943,292.66 × 3,138,507.12 - Step 4: Simplify right side
5,296,872.93x = 24,930,080,569,653.74 - Step 5: Solve for x
x = 24,930,080,569,653.74/5,296,872.93 - Step 6: Final answer
x = 4,706,565.72
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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.