Finding the Fourth Proportional to 2,056,586.58, 2,838,087.68 and 1,138,815.68
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Solution
The fourth proportional to 2,056,586.58, 2,838,087.68 and 1,138,815.68 is: 1,571,564.63
Step by Step Solution
- Step 1: Write the proportion equation
2,056,586.58 : 2,838,087.68 = 1,138,815.68 : x - Step 2: Convert to fraction form
2,056,586.58/2,838,087.68 = 1,138,815.68/x - Step 3: Cross multiply
2,056,586.58x = 2,838,087.68 × 1,138,815.68 - Step 4: Simplify right side
2,056,586.58x = 3,232,058,731,314.31 - Step 5: Solve for x
x = 3,232,058,731,314.31/2,056,586.58 - Step 6: Final answer
x = 1,571,564.63
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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.