Finding the Fourth Proportional to 1,664,930.20, 2,496,301.80 and 653,442.70
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Solution
The fourth proportional to 1,664,930.20, 2,496,301.80 and 653,442.70 is: 979,734.88
Step by Step Solution
- Step 1: Write the proportion equation
1,664,930.20 : 2,496,301.80 = 653,442.70 : x - Step 2: Convert to fraction form
1,664,930.20/2,496,301.80 = 653,442.70/x - Step 3: Cross multiply
1,664,930.20x = 2,496,301.80 × 653,442.70 - Step 4: Simplify right side
1,664,930.20x = 1,631,190,188,206.86 - Step 5: Solve for x
x = 1,631,190,188,206.86/1,664,930.20 - Step 6: Final answer
x = 979,734.88
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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.