Finding the Fourth Proportional to 5,340,284.12, 7,369,614.65 and 2,892,895.17
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Solution
The fourth proportional to 5,340,284.12, 7,369,614.65 and 2,892,895.17 is: 3,992,207.56
Step by Step Solution
- Step 1: Write the proportion equation
5,340,284.12 : 7,369,614.65 = 2,892,895.17 : x - Step 2: Convert to fraction form
5,340,284.12/7,369,614.65 = 2,892,895.17/x - Step 3: Cross multiply
5,340,284.12x = 7,369,614.65 × 2,892,895.17 - Step 4: Simplify right side
5,340,284.12x = 21,319,522,625,746.24 - Step 5: Solve for x
x = 21,319,522,625,746.24/5,340,284.12 - Step 6: Final answer
x = 3,992,207.56
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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.