Finding the Fourth Proportional to 4,630,710.20, 6,388,344.48 and 2,794,144.12
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Solution
The fourth proportional to 4,630,710.20, 6,388,344.48 and 2,794,144.12 is: 3,854,690.62
Step by Step Solution
- Step 1: Write the proportion equation
4,630,710.20 : 6,388,344.48 = 2,794,144.12 : x - Step 2: Convert to fraction form
4,630,710.20/6,388,344.48 = 2,794,144.12/x - Step 3: Cross multiply
4,630,710.20x = 6,388,344.48 × 2,794,144.12 - Step 4: Simplify right side
4,630,710.20x = 17,849,955,165,326.46 - Step 5: Solve for x
x = 17,849,955,165,326.46/4,630,710.20 - Step 6: Final answer
x = 3,854,690.62
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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.