Finding the Fourth Proportional to 8,270,319.60, 12,406,257.26 and 2,434,509.12
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Solution
The fourth proportional to 8,270,319.60, 12,406,257.26 and 2,434,509.12 is: 3,651,992.66
Step by Step Solution
- Step 1: Write the proportion equation
8,270,319.60 : 12,406,257.26 = 2,434,509.12 : x - Step 2: Convert to fraction form
8,270,319.60/12,406,257.26 = 2,434,509.12/x - Step 3: Cross multiply
8,270,319.60x = 12,406,257.26 × 2,434,509.12 - Step 4: Simplify right side
8,270,319.60x = 30,203,146,444,536.21 - Step 5: Solve for x
x = 30,203,146,444,536.21/8,270,319.60 - Step 6: Final answer
x = 3,651,992.66
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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.