Finding the Fourth Proportional to 4,810,958.60, 6,639,198.16 and 2,635,358.12
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Solution
The fourth proportional to 4,810,958.60, 6,639,198.16 and 2,635,358.12 is: 3,636,835.45
Step by Step Solution
- Step 1: Write the proportion equation
4,810,958.60 : 6,639,198.16 = 2,635,358.12 : x - Step 2: Convert to fraction form
4,810,958.60/6,639,198.16 = 2,635,358.12/x - Step 3: Cross multiply
4,810,958.60x = 6,639,198.16 × 2,635,358.12 - Step 4: Simplify right side
4,810,958.60x = 17,496,664,781,245.06 - Step 5: Solve for x
x = 17,496,664,781,245.06/4,810,958.60 - Step 6: Final answer
x = 3,636,835.45
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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.