Finding the Fourth Proportional to 2,559,430.85, 3,839,847.64 and 1,119,853.28
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Solution
The fourth proportional to 2,559,430.85, 3,839,847.64 and 1,119,853.28 is: 1,680,086.80
Step by Step Solution
- Step 1: Write the proportion equation
2,559,430.85 : 3,839,847.64 = 1,119,853.28 : x - Step 2: Convert to fraction form
2,559,430.85/3,839,847.64 = 1,119,853.28/x - Step 3: Cross multiply
2,559,430.85x = 3,839,847.64 × 1,119,853.28 - Step 4: Simplify right side
2,559,430.85x = 4,300,065,981,154.25 - Step 5: Solve for x
x = 4,300,065,981,154.25/2,559,430.85 - Step 6: Final answer
x = 1,680,086.80
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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.