Finding the Fourth Proportional to 1,675,575.40, 2,312,304.18 and 911,634.52
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Solution
The fourth proportional to 1,675,575.40, 2,312,304.18 and 911,634.52 is: 1,258,061.15
Step by Step Solution
- Step 1: Write the proportion equation
1,675,575.40 : 2,312,304.18 = 911,634.52 : x - Step 2: Convert to fraction form
1,675,575.40/2,312,304.18 = 911,634.52/x - Step 3: Cross multiply
1,675,575.40x = 2,312,304.18 × 911,634.52 - Step 4: Simplify right side
1,675,575.40x = 2,107,976,311,228.29 - Step 5: Solve for x
x = 2,107,976,311,228.29/1,675,575.40 - Step 6: Final answer
x = 1,258,061.15
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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.