Finding the Fourth Proportional to 2,318,073.88, 3,199,138.44 and 1,285,914.22
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Solution
The fourth proportional to 2,318,073.88, 3,199,138.44 and 1,285,914.22 is: 1,774,670.63
Step by Step Solution
- Step 1: Write the proportion equation
2,318,073.88 : 3,199,138.44 = 1,285,914.22 : x - Step 2: Convert to fraction form
2,318,073.88/3,199,138.44 = 1,285,914.22/x - Step 3: Cross multiply
2,318,073.88x = 3,199,138.44 × 1,285,914.22 - Step 4: Simplify right side
2,318,073.88x = 4,113,817,630,172.14 - Step 5: Solve for x
x = 4,113,817,630,172.14/2,318,073.88 - Step 6: Final answer
x = 1,774,670.63
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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.