Finding the Fourth Proportional to 4,267,076.80, 6,401,536.80 and 1,275,563.20
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Solution
The fourth proportional to 4,267,076.80, 6,401,536.80 and 1,275,563.20 is: 1,913,620.30
Step by Step Solution
- Step 1: Write the proportion equation
4,267,076.80 : 6,401,536.80 = 1,275,563.20 : x - Step 2: Convert to fraction form
4,267,076.80/6,401,536.80 = 1,275,563.20/x - Step 3: Cross multiply
4,267,076.80x = 6,401,536.80 × 1,275,563.20 - Step 4: Simplify right side
4,267,076.80x = 8,165,564,765,525.76 - Step 5: Solve for x
x = 8,165,564,765,525.76/4,267,076.80 - Step 6: Final answer
x = 1,913,620.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.