Finding the Fourth Proportional to 2,540,178, 3,505,490.88 and 1,394,364.96
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Solution
The fourth proportional to 2,540,178, 3,505,490.88 and 1,394,364.96 is: 1,924,248.48
Step by Step Solution
- Step 1: Write the proportion equation
2,540,178 : 3,505,490.88 = 1,394,364.96 : x - Step 2: Convert to fraction form
2,540,178/3,505,490.88 = 1,394,364.96/x - Step 3: Cross multiply
2,540,178x = 3,505,490.88 × 1,394,364.96 - Step 4: Simplify right side
2,540,178x = 4,887,933,650,671.56 - Step 5: Solve for x
x = 4,887,933,650,671.56/2,540,178 - Step 6: Final answer
x = 1,924,248.48
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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.