Finding the Fourth Proportional to 3,587,811.81, 4,951,748.28 and 2,138,348.00
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Solution
The fourth proportional to 3,587,811.81, 4,951,748.28 and 2,138,348.00 is: 2,951,258.75
Step by Step Solution
- Step 1: Write the proportion equation
3,587,811.81 : 4,951,748.28 = 2,138,348.00 : x - Step 2: Convert to fraction form
3,587,811.81/4,951,748.28 = 2,138,348.00/x - Step 3: Cross multiply
3,587,811.81x = 4,951,748.28 × 2,138,348.00 - Step 4: Simplify right side
3,587,811.81x = 10,588,561,025,484.62 - Step 5: Solve for x
x = 10,588,561,025,484.62/3,587,811.81 - Step 6: Final answer
x = 2,951,258.75
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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.