Finding the Fourth Proportional to 2,079,505.20, 3,119,257.80 and 881,223.60
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Solution
The fourth proportional to 2,079,505.20, 3,119,257.80 and 881,223.60 is: 1,321,835.40
Step by Step Solution
- Step 1: Write the proportion equation
2,079,505.20 : 3,119,257.80 = 881,223.60 : x - Step 2: Convert to fraction form
2,079,505.20/3,119,257.80 = 881,223.60/x - Step 3: Cross multiply
2,079,505.20x = 3,119,257.80 × 881,223.60 - Step 4: Simplify right side
2,079,505.20x = 2,748,763,587,844.08 - Step 5: Solve for x
x = 2,748,763,587,844.08/2,079,505.20 - Step 6: Final answer
x = 1,321,835.40
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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.