Finding the Fourth Proportional to 3,551,451.60, 5,327,367.57 and 1,122,420.07
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Solution
The fourth proportional to 3,551,451.60, 5,327,367.57 and 1,122,420.07 is: 1,683,690.20
Step by Step Solution
- Step 1: Write the proportion equation
3,551,451.60 : 5,327,367.57 = 1,122,420.07 : x - Step 2: Convert to fraction form
3,551,451.60/5,327,367.57 = 1,122,420.07/x - Step 3: Cross multiply
3,551,451.60x = 5,327,367.57 × 1,122,420.07 - Step 4: Simplify right side
3,551,451.60x = 5,979,544,267,516.71 - Step 5: Solve for x
x = 5,979,544,267,516.71/3,551,451.60 - Step 6: Final answer
x = 1,683,690.20
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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.