Finding the Fourth Proportional to 4,782,118.23, 7,173,209.58 and 1,748,235.96
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Solution
The fourth proportional to 4,782,118.23, 7,173,209.58 and 1,748,235.96 is: 2,622,365.72
Step by Step Solution
- Step 1: Write the proportion equation
4,782,118.23 : 7,173,209.58 = 1,748,235.96 : x - Step 2: Convert to fraction form
4,782,118.23/7,173,209.58 = 1,748,235.96/x - Step 3: Cross multiply
4,782,118.23x = 7,173,209.58 × 1,748,235.96 - Step 4: Simplify right side
4,782,118.23x = 12,540,462,936,372.50 - Step 5: Solve for x
x = 12,540,462,936,372.50/4,782,118.23 - Step 6: Final answer
x = 2,622,365.72
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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.