Finding the Fourth Proportional to 1,474,780.68, 2,035,234.98 and 830,223.50
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Solution
The fourth proportional to 1,474,780.68, 2,035,234.98 and 830,223.50 is: 1,145,729.61
Step by Step Solution
- Step 1: Write the proportion equation
1,474,780.68 : 2,035,234.98 = 830,223.50 : x - Step 2: Convert to fraction form
1,474,780.68/2,035,234.98 = 830,223.50/x - Step 3: Cross multiply
1,474,780.68x = 2,035,234.98 × 830,223.50 - Step 4: Simplify right side
1,474,780.68x = 1,689,699,898,241.86 - Step 5: Solve for x
x = 1,689,699,898,241.86/1,474,780.68 - Step 6: Final answer
x = 1,145,729.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.