Finding the Fourth Proportional to 4,765,886.48, 7,149,297.48 and 1,354,330.50
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Solution
The fourth proportional to 4,765,886.48, 7,149,297.48 and 1,354,330.50 is: 2,031,628.68
Step by Step Solution
- Step 1: Write the proportion equation
4,765,886.48 : 7,149,297.48 = 1,354,330.50 : x - Step 2: Convert to fraction form
4,765,886.48/7,149,297.48 = 1,354,330.50/x - Step 3: Cross multiply
4,765,886.48x = 7,149,297.48 × 1,354,330.50 - Step 4: Simplify right side
4,765,886.48x = 9,682,511,630,737.14 - Step 5: Solve for x
x = 9,682,511,630,737.14/4,765,886.48 - Step 6: Final answer
x = 2,031,628.68
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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.