Finding the Fourth Proportional to 6,245,219.58, 8,615,763.50 and 4,180,900.02
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Solution
The fourth proportional to 6,245,219.58, 8,615,763.50 and 4,180,900.02 is: 5,767,874.98
Step by Step Solution
- Step 1: Write the proportion equation
6,245,219.58 : 8,615,763.50 = 4,180,900.02 : x - Step 2: Convert to fraction form
6,245,219.58/8,615,763.50 = 4,180,900.02/x - Step 3: Cross multiply
6,245,219.58x = 8,615,763.50 × 4,180,900.02 - Step 4: Simplify right side
6,245,219.58x = 36,021,645,768,560.77 - Step 5: Solve for x
x = 36,021,645,768,560.77/6,245,219.58 - Step 6: Final answer
x = 5,767,874.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.