Finding the Fourth Proportional to 2,958,023.93, 4,430,236.19 and 1,878,455.93
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Solution
The fourth proportional to 2,958,023.93, 4,430,236.19 and 1,878,455.93 is: 2,813,365.82
Step by Step Solution
- Step 1: Write the proportion equation
2,958,023.93 : 4,430,236.19 = 1,878,455.93 : x - Step 2: Convert to fraction form
2,958,023.93/4,430,236.19 = 1,878,455.93/x - Step 3: Cross multiply
2,958,023.93x = 4,430,236.19 × 1,878,455.93 - Step 4: Simplify right side
2,958,023.93x = 8,322,003,410,862.65 - Step 5: Solve for x
x = 8,322,003,410,862.65/2,958,023.93 - Step 6: Final answer
x = 2,813,365.82
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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.