Finding the Fourth Proportional to 2,539,890.44, 3,505,263.90 and 1,394,164.84
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Solution
The fourth proportional to 2,539,890.44, 3,505,263.90 and 1,394,164.84 is: 1,924,065.55
Step by Step Solution
- Step 1: Write the proportion equation
2,539,890.44 : 3,505,263.90 = 1,394,164.84 : x - Step 2: Convert to fraction form
2,539,890.44/3,505,263.90 = 1,394,164.84/x - Step 3: Cross multiply
2,539,890.44x = 3,505,263.90 × 1,394,164.84 - Step 4: Simplify right side
2,539,890.44x = 4,886,915,684,301.28 - Step 5: Solve for x
x = 4,886,915,684,301.28/2,539,890.44 - Step 6: Final answer
x = 1,924,065.55
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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.