Finding the Fourth Proportional to 3,402,451.44, 5,103,507.52 and 1,272,378.96
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Solution
The fourth proportional to 3,402,451.44, 5,103,507.52 and 1,272,378.96 is: 1,908,505.00
Step by Step Solution
- Step 1: Write the proportion equation
3,402,451.44 : 5,103,507.52 = 1,272,378.96 : x - Step 2: Convert to fraction form
3,402,451.44/5,103,507.52 = 1,272,378.96/x - Step 3: Cross multiply
3,402,451.44x = 5,103,507.52 × 1,272,378.96 - Step 4: Simplify right side
3,402,451.44x = 6,493,595,590,649.78 - Step 5: Solve for x
x = 6,493,595,590,649.78/3,402,451.44 - Step 6: Final answer
x = 1,908,505.00
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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.