Finding the Fourth Proportional to 3,885,943.98, 5,829,304.78 and 1,190,238.06
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Solution
The fourth proportional to 3,885,943.98, 5,829,304.78 and 1,190,238.06 is: 1,785,476.18
Step by Step Solution
- Step 1: Write the proportion equation
3,885,943.98 : 5,829,304.78 = 1,190,238.06 : x - Step 2: Convert to fraction form
3,885,943.98/5,829,304.78 = 1,190,238.06/x - Step 3: Cross multiply
3,885,943.98x = 5,829,304.78 × 1,190,238.06 - Step 4: Simplify right side
3,885,943.98x = 6,938,260,412,495.93 - Step 5: Solve for x
x = 6,938,260,412,495.93/3,885,943.98 - Step 6: Final answer
x = 1,785,476.18
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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.