Finding the Fourth Proportional to 1,553,906.12, 2,144,554.26 and 909,534.92
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Solution
The fourth proportional to 1,553,906.12, 2,144,554.26 and 909,534.92 is: 1,255,254.07
Step by Step Solution
- Step 1: Write the proportion equation
1,553,906.12 : 2,144,554.26 = 909,534.92 : x - Step 2: Convert to fraction form
1,553,906.12/2,144,554.26 = 909,534.92/x - Step 3: Cross multiply
1,553,906.12x = 2,144,554.26 × 909,534.92 - Step 4: Simplify right side
1,553,906.12x = 1,950,546,987,304.76 - Step 5: Solve for x
x = 1,950,546,987,304.76/1,553,906.12 - Step 6: Final answer
x = 1,255,254.07
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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.