Finding the Fourth Proportional to 2,214,292.99, 3,055,735.05 and 1,247,438.52
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Solution
The fourth proportional to 2,214,292.99, 3,055,735.05 and 1,247,438.52 is: 1,721,471.19
Step by Step Solution
- Step 1: Write the proportion equation
2,214,292.99 : 3,055,735.05 = 1,247,438.52 : x - Step 2: Convert to fraction form
2,214,292.99/3,055,735.05 = 1,247,438.52/x - Step 3: Cross multiply
2,214,292.99x = 3,055,735.05 × 1,247,438.52 - Step 4: Simplify right side
2,214,292.99x = 3,811,841,586,768.26 - Step 5: Solve for x
x = 3,811,841,586,768.26/2,214,292.99 - Step 6: Final answer
x = 1,721,471.19
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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.