Finding the Fourth Proportional to 3,881,701.80, 5,824,302.30 and 1,859,164.20
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Solution
The fourth proportional to 3,881,701.80, 5,824,302.30 and 1,859,164.20 is: 2,789,584.28
Step by Step Solution
- Step 1: Write the proportion equation
3,881,701.80 : 5,824,302.30 = 1,859,164.20 : x - Step 2: Convert to fraction form
3,881,701.80/5,824,302.30 = 1,859,164.20/x - Step 3: Cross multiply
3,881,701.80x = 5,824,302.30 × 1,859,164.20 - Step 4: Simplify right side
3,881,701.80x = 10,828,334,326,137.66 - Step 5: Solve for x
x = 10,828,334,326,137.66/3,881,701.80 - Step 6: Final answer
x = 2,789,584.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.