Finding the Fourth Proportional to 1,539,853.75, 2,125,129.59 and 895,233.07
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Solution
The fourth proportional to 1,539,853.75, 2,125,129.59 and 895,233.07 is: 1,235,498.03
Step by Step Solution
- Step 1: Write the proportion equation
1,539,853.75 : 2,125,129.59 = 895,233.07 : x - Step 2: Convert to fraction form
1,539,853.75/2,125,129.59 = 895,233.07/x - Step 3: Cross multiply
1,539,853.75x = 2,125,129.59 × 895,233.07 - Step 4: Simplify right side
1,539,853.75x = 1,902,486,271,901.73 - Step 5: Solve for x
x = 1,902,486,271,901.73/1,539,853.75 - Step 6: Final answer
x = 1,235,498.03
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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.