Finding the Fourth Proportional to 2,029,960.68, 2,801,214.36 and 1,112,188.56
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Solution
The fourth proportional to 2,029,960.68, 2,801,214.36 and 1,112,188.56 is: 1,534,748.23
Step by Step Solution
- Step 1: Write the proportion equation
2,029,960.68 : 2,801,214.36 = 1,112,188.56 : x - Step 2: Convert to fraction form
2,029,960.68/2,801,214.36 = 1,112,188.56/x - Step 3: Cross multiply
2,029,960.68x = 2,801,214.36 × 1,112,188.56 - Step 4: Simplify right side
2,029,960.68x = 3,115,478,565,299.72 - Step 5: Solve for x
x = 3,115,478,565,299.72/2,029,960.68 - Step 6: Final answer
x = 1,534,748.23
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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.