Finding the Fourth Proportional to 1,630,877.40, 2,445,441.30 and 683,177.40
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Solution
The fourth proportional to 1,630,877.40, 2,445,441.30 and 683,177.40 is: 1,024,399.64
Step by Step Solution
- Step 1: Write the proportion equation
1,630,877.40 : 2,445,441.30 = 683,177.40 : x - Step 2: Convert to fraction form
1,630,877.40/2,445,441.30 = 683,177.40/x - Step 3: Cross multiply
1,630,877.40x = 2,445,441.30 × 683,177.40 - Step 4: Simplify right side
1,630,877.40x = 1,670,670,229,186.62 - Step 5: Solve for x
x = 1,670,670,229,186.62/1,630,877.40 - Step 6: Final answer
x = 1,024,399.64
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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.