Finding the Fourth Proportional to 4,520,487.82, 6,238,385.68 and 2,455,502.74
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Solution
The fourth proportional to 4,520,487.82, 6,238,385.68 and 2,455,502.74 is: 3,388,654.88
Step by Step Solution
- Step 1: Write the proportion equation
4,520,487.82 : 6,238,385.68 = 2,455,502.74 : x - Step 2: Convert to fraction form
4,520,487.82/6,238,385.68 = 2,455,502.74/x - Step 3: Cross multiply
4,520,487.82x = 6,238,385.68 × 2,455,502.74 - Step 4: Simplify right side
4,520,487.82x = 15,318,373,130,416.76 - Step 5: Solve for x
x = 15,318,373,130,416.76/4,520,487.82 - Step 6: Final answer
x = 3,388,654.88
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1.5x scale
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.