Finding the Fourth Proportional to 4,838,863.23, 7,258,313.86 and 1,960,284.42
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Solution
The fourth proportional to 4,838,863.23, 7,258,313.86 and 1,960,284.42 is: 2,940,434.33
Step by Step Solution
- Step 1: Write the proportion equation
4,838,863.23 : 7,258,313.86 = 1,960,284.42 : x - Step 2: Convert to fraction form
4,838,863.23/7,258,313.86 = 1,960,284.42/x - Step 3: Cross multiply
4,838,863.23x = 7,258,313.86 × 1,960,284.42 - Step 4: Simplify right side
4,838,863.23x = 14,228,359,570,327.35 - Step 5: Solve for x
x = 14,228,359,570,327.35/4,838,863.23 - Step 6: Final answer
x = 2,940,434.33
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1.5x scale
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.