Finding the Fourth Proportional to 1,410,089.40, 2,112,023.70 and 848,143.80
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Solution
The fourth proportional to 1,410,089.40, 2,112,023.70 and 848,143.80 is: 1,270,344.85
Step by Step Solution
- Step 1: Write the proportion equation
1,410,089.40 : 2,112,023.70 = 848,143.80 : x - Step 2: Convert to fraction form
1,410,089.40/2,112,023.70 = 848,143.80/x - Step 3: Cross multiply
1,410,089.40x = 2,112,023.70 × 848,143.80 - Step 4: Simplify right side
1,410,089.40x = 1,791,299,806,608.06 - Step 5: Solve for x
x = 1,791,299,806,608.06/1,410,089.40 - Step 6: Final answer
x = 1,270,344.85
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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.