Finding the Fourth Proportional to 2,289,252.96, 3,159,161.28 and 1,256,735.04
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Solution
The fourth proportional to 2,289,252.96, 3,159,161.28 and 1,256,735.04 is: 1,734,290.07
Step by Step Solution
- Step 1: Write the proportion equation
2,289,252.96 : 3,159,161.28 = 1,256,735.04 : x - Step 2: Convert to fraction form
2,289,252.96/3,159,161.28 = 1,256,735.04/x - Step 3: Cross multiply
2,289,252.96x = 3,159,161.28 × 1,256,735.04 - Step 4: Simplify right side
2,289,252.96x = 3,970,228,677,587.25 - Step 5: Solve for x
x = 3,970,228,677,587.25/2,289,252.96 - Step 6: Final answer
x = 1,734,290.07
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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.