Finding the Fourth Proportional to 2,089,564.80, 3,134,347.20 and 670,639.20
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Solution
The fourth proportional to 2,089,564.80, 3,134,347.20 and 670,639.20 is: 1,005,958.80
Step by Step Solution
- Step 1: Write the proportion equation
2,089,564.80 : 3,134,347.20 = 670,639.20 : x - Step 2: Convert to fraction form
2,089,564.80/3,134,347.20 = 670,639.20/x - Step 3: Cross multiply
2,089,564.80x = 3,134,347.20 × 670,639.20 - Step 4: Simplify right side
2,089,564.80x = 2,102,016,098,730.24 - Step 5: Solve for x
x = 2,102,016,098,730.24/2,089,564.80 - Step 6: Final answer
x = 1,005,958.80
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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.