Finding the Fourth Proportional to 1,942,810.26, 2,912,451.12 and 679,948.98
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Solution
The fourth proportional to 1,942,810.26, 2,912,451.12 and 679,948.98 is: 1,019,306.01
Step by Step Solution
- Step 1: Write the proportion equation
1,942,810.26 : 2,912,451.12 = 679,948.98 : x - Step 2: Convert to fraction form
1,942,810.26/2,912,451.12 = 679,948.98/x - Step 3: Cross multiply
1,942,810.26x = 2,912,451.12 × 679,948.98 - Step 4: Simplify right side
1,942,810.26x = 1,980,318,168,343.86 - Step 5: Solve for x
x = 1,980,318,168,343.86/1,942,810.26 - Step 6: Final answer
x = 1,019,306.01
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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.