Finding the Fourth Proportional to 1,351,924.22, 1,863,667.78 and 1,029,071.99
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Solution
The fourth proportional to 1,351,924.22, 1,863,667.78 and 1,029,071.99 is: 1,418,606.37
Step by Step Solution
- Step 1: Write the proportion equation
1,351,924.22 : 1,863,667.78 = 1,029,071.99 : x - Step 2: Convert to fraction form
1,351,924.22/1,863,667.78 = 1,029,071.99/x - Step 3: Cross multiply
1,351,924.22x = 1,863,667.78 × 1,029,071.99 - Step 4: Simplify right side
1,351,924.22x = 1,917,848,301,258.95 - Step 5: Solve for x
x = 1,917,848,301,258.95/1,351,924.22 - Step 6: Final answer
x = 1,418,606.37
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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.