Finding the Fourth Proportional to 2,079,475.20, 3,119,212.80 and 503,539.20
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Solution
The fourth proportional to 2,079,475.20, 3,119,212.80 and 503,539.20 is: 755,308.80
Step by Step Solution
- Step 1: Write the proportion equation
2,079,475.20 : 3,119,212.80 = 503,539.20 : x - Step 2: Convert to fraction form
2,079,475.20/3,119,212.80 = 503,539.20/x - Step 3: Cross multiply
2,079,475.20x = 3,119,212.80 × 503,539.20 - Step 4: Simplify right side
2,079,475.20x = 1,570,645,917,941.76 - Step 5: Solve for x
x = 1,570,645,917,941.76/2,079,475.20 - Step 6: Final answer
x = 755,308.80
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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.