Finding the Fourth Proportional to 1,535,396.12, 2,118,834.81 and 847,096.99
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Solution
The fourth proportional to 1,535,396.12, 2,118,834.81 and 847,096.99 is: 1,168,987.32
Step by Step Solution
- Step 1: Write the proportion equation
1,535,396.12 : 2,118,834.81 = 847,096.99 : x - Step 2: Convert to fraction form
1,535,396.12/2,118,834.81 = 847,096.99/x - Step 3: Cross multiply
1,535,396.12x = 2,118,834.81 × 847,096.99 - Step 4: Simplify right side
1,535,396.12x = 1,794,858,586,943.60 - Step 5: Solve for x
x = 1,794,858,586,943.60/1,535,396.12 - Step 6: Final answer
x = 1,168,987.32
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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.