Finding the Fourth Proportional to 2,690,912.18, 4,031,800.68 and 1,623,711.80
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Solution
The fourth proportional to 2,690,912.18, 4,031,800.68 and 1,623,711.80 is: 2,432,811.59
Step by Step Solution
- Step 1: Write the proportion equation
2,690,912.18 : 4,031,800.68 = 1,623,711.80 : x - Step 2: Convert to fraction form
2,690,912.18/4,031,800.68 = 1,623,711.80/x - Step 3: Cross multiply
2,690,912.18x = 4,031,800.68 × 1,623,711.80 - Step 4: Simplify right side
2,690,912.18x = 6,546,482,339,364.03 - Step 5: Solve for x
x = 6,546,482,339,364.03/2,690,912.18 - Step 6: Final answer
x = 2,432,811.59
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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.