Finding the Fourth Proportional to 2,067,534.08, 2,852,778.80 and 1,207,928.32
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Solution
The fourth proportional to 2,067,534.08, 2,852,778.80 and 1,207,928.32 is: 1,666,696.74
Step by Step Solution
- Step 1: Write the proportion equation
2,067,534.08 : 2,852,778.80 = 1,207,928.32 : x - Step 2: Convert to fraction form
2,067,534.08/2,852,778.80 = 1,207,928.32/x - Step 3: Cross multiply
2,067,534.08x = 2,852,778.80 × 1,207,928.32 - Step 4: Simplify right side
2,067,534.08x = 3,445,952,303,215.62 - Step 5: Solve for x
x = 3,445,952,303,215.62/2,067,534.08 - Step 6: Final answer
x = 1,666,696.74
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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.