Finding the Fourth Proportional to 2,237,129.22, 3,087,315.09 and 1,270,227.36
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Solution
The fourth proportional to 2,237,129.22, 3,087,315.09 and 1,270,227.36 is: 1,752,957.34
Step by Step Solution
- Step 1: Write the proportion equation
2,237,129.22 : 3,087,315.09 = 1,270,227.36 : x - Step 2: Convert to fraction form
2,237,129.22/3,087,315.09 = 1,270,227.36/x - Step 3: Cross multiply
2,237,129.22x = 3,087,315.09 × 1,270,227.36 - Step 4: Simplify right side
2,237,129.22x = 3,921,592,096,258.86 - Step 5: Solve for x
x = 3,921,592,096,258.86/2,237,129.22 - Step 6: Final answer
x = 1,752,957.34
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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.