Finding the Fourth Proportional to 3,738,467.70, 5,607,701.55 and 1,214,378.10
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Solution
The fourth proportional to 3,738,467.70, 5,607,701.55 and 1,214,378.10 is: 1,821,567.15
Step by Step Solution
- Step 1: Write the proportion equation
3,738,467.70 : 5,607,701.55 = 1,214,378.10 : x - Step 2: Convert to fraction form
3,738,467.70/5,607,701.55 = 1,214,378.10/x - Step 3: Cross multiply
3,738,467.70x = 5,607,701.55 × 1,214,378.10 - Step 4: Simplify right side
3,738,467.70x = 6,809,869,953,656.06 - Step 5: Solve for x
x = 6,809,869,953,656.06/3,738,467.70 - Step 6: Final answer
x = 1,821,567.15
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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.